/* ===================================
   CSS Reset & Base Styles
   =================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===================================
   CSS Variables
   =================================== */

:root {
    /* Colors - Art Gallery Theme */
    --color-primary: #2c2c2c;
    --color-secondary: #8b7355;
    --color-accent: #c9a87c;
    --color-text: #1a1a1a;
    --color-text-light: #6b6b6b;
    --color-bg: #ffffff;
    --color-bg-light: #f8f8f8;
    --color-border: #e5e5e5;
    --color-success: #4caf50;
    --color-error: #f44336;
    --color-warning: #ff9800;

    /* Typography */
    --font-heading: 'Changa One', cursive;
    --font-body: 'Changa One', cursive;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Z-index */
    --z-modal: 1000;
    --z-panel: 900;
    --z-dropdown: 800;
    --z-header: 700;
}

/* ===================================
   Layout & Container
   =================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section__title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* ===================================
   Header
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header--transparent {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.header__logo .logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: opacity var(--transition-fast);
}

.header__logo .logo:hover {
    opacity: 0.8;
}

/* Navigation */
.header__nav {
    display: none;
}

.nav__list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    position: relative;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-secondary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header__action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.header__action-btn:hover {
    background: var(--color-bg-light);
}

.header__basket-btn {
    position: relative;
}

.basket-badge {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--color-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

/* Account Dropdown */
.header__account {
    position: relative;
}

.account-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 200px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.account-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.account-dropdown__guest {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.account-dropdown__info {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xs) 0;
}

.account-dropdown__name {
    font-weight: 600;
    color: var(--color-text);
}

.account-dropdown__email {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.account-dropdown__divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-xs) 0;
}

.account-dropdown__link {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    width: 100%;
    text-align: left;
}

.account-dropdown__link:hover {
    background: var(--color-bg-light);
}

/* Mobile Menu Toggle */
.header__mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger__line {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
}

.header__mobile-toggle[aria-expanded="true"] .hamburger__line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.header__mobile-toggle[aria-expanded="true"] .hamburger__line:nth-child(2) {
    opacity: 0;
}

.header__mobile-toggle[aria-expanded="true"] .hamburger__line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    color: white;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Static background image - replace with your image */
    background: url('../images/hero-bg.jpg') center/cover no-repeat;
    /* Fallback gradient if image doesn't load */
    background-color: #2c2c2c;
    z-index: 1;
    transition: opacity 1s ease-in-out;
}

.hero__background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero__content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 var(--container-padding);
    max-width: 800px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    display: block;
    width: 30px;
    height: 30px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg);
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: rotate(-45deg) translateY(0); }
    50% { transform: rotate(-45deg) translateY(10px); }
}

/* ===================================
   About Section
   =================================== */

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about__image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.about__content {
    max-width: 600px;
}

.about__text {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about__text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

/* ===================================
   Originals Section
   =================================== */

.originals__filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    background: white;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--color-text);
}

.pieces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Piece Card */
.piece-card {
    position: relative;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.piece-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.piece-card__image {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
    background: var(--color-bg-light);
}

.piece-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.piece-card:hover .piece-card__image img {
    transform: scale(1.05);
}

.piece-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.piece-card:hover .piece-card__overlay {
    opacity: 1;
}

.piece-card__info {
    padding: var(--spacing-md);
}

.piece-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.piece-card__price {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
}

.piece-card__status {
    display: inline-block;
    padding: 4px 12px;
    margin-top: var(--spacing-xs);
    background: var(--color-bg-light);
    color: var(--color-text-light);
    font-size: 0.875rem;
    border-radius: var(--radius-full);
}

.piece-card__status--sold {
    background: var(--color-error);
    color: white;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    background: var(--color-bg-light);
}

.contact__content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    line-height: 1.8;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer__text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: white;
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: white;
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
}

.footer__bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn--primary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--color-text);
}

.btn--primary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.btn--secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn--text {
    background: transparent;
    color: var(--color-text);
    padding: 0.5rem 1rem;
}

.btn--text:hover {
    background: var(--color-bg-light);
}

.btn--full {
    width: 100%;
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn--view,
.btn--add-to-basket {
    background: white;
    color: var(--color-text);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--view:hover,
.btn--add-to-basket:hover {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text);
}

/* ===================================
   Forms
   =================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.form-link {
    color: var(--color-accent);
    font-size: 0.875rem;
    transition: opacity var(--transition-fast);
}

.form-link:hover {
    opacity: 0.8;
}

.form-error {
    padding: var(--spacing-sm);
    background: #fee;
    color: var(--color-error);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

/* ===================================
   Modals
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal.show .modal__content {
    transform: scale(1);
}

.modal__content--search {
    max-width: 700px;
}

.modal__content--piece {
    max-width: 900px;
}

.modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.modal__close:hover {
    color: var(--color-text);
}

.modal__title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

/* Auth Modal */
.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.auth-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    color: var(--color-text-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition-fast);
}

.auth-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Search Modal */
.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    transition: border-color var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.search-results {
    display: grid;
    gap: var(--spacing-md);
}

.search-result {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.search-result:hover {
    background: var(--color-bg-light);
}

.search-result__image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.search-result__info {
    flex: 1;
}

.search-result__title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.search-result__price {
    color: var(--color-accent);
    font-weight: 500;
}

/* ===================================
   Slide Panel (Basket)
   =================================== */

.slide-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-panel);
    pointer-events: none;
}

.slide-panel.show {
    pointer-events: all;
}

.slide-panel__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.slide-panel.show .slide-panel__overlay {
    opacity: 1;
}

.slide-panel__content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: white;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.slide-panel.show .slide-panel__content {
    transform: translateX(0);
}

.slide-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.slide-panel__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.slide-panel__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.slide-panel__close:hover {
    color: var(--color-text);
}

.slide-panel__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.slide-panel__footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Basket */
.basket-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.basket-empty__icon {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.basket-empty__text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.basket-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.basket-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.basket-item__image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.basket-item__info {
    flex: 1;
}

.basket-item__title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.basket-item__price {
    color: var(--color-accent);
    font-weight: 500;
}

.basket-item__remove {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.basket-item__remove:hover {
    color: var(--color-error);
}

.basket-summary {
    margin-bottom: var(--spacing-md);
}

.basket-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.basket-summary__price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
}

.basket-summary__note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* ===================================
   Piece Detail Modal
   =================================== */

.piece-detail__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.piece-detail__gallery {
    width: 100%;
}

.piece-gallery__main {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.piece-gallery__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.piece-gallery__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--color-text-light);
}

.piece-gallery__placeholder svg {
    margin-bottom: var(--spacing-md);
}

.piece-gallery__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    color: var(--color-text);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    z-index: 10;
}

.piece-gallery__nav:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
}

.piece-gallery__nav--prev {
    left: var(--spacing-md);
}

.piece-gallery__nav--next {
    right: var(--spacing-md);
}

.piece-gallery__thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-xs) 0;
}

.piece-gallery__thumbnails::-webkit-scrollbar {
    height: 6px;
}

.piece-gallery__thumbnails::-webkit-scrollbar-track {
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
}

.piece-gallery__thumbnails::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

.piece-gallery__thumbnails::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

.piece-gallery__thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color var(--transition-fast);
    cursor: pointer;
}

.piece-gallery__thumbnail:hover {
    border-color: var(--color-accent);
}

.piece-gallery__thumbnail.active {
    border-color: var(--color-accent);
}

.piece-gallery__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.piece-detail__info {
    display: flex;
    flex-direction: column;
}

.piece-detail__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.piece-detail__title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
}

.piece-detail__badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.piece-detail__badge--available {
    background: var(--color-success);
    color: white;
}

.piece-detail__badge--sold {
    background: var(--color-error);
    color: white;
}

.piece-detail__price {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.piece-detail__short-desc {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.piece-detail__meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.piece-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.piece-meta__label {
    font-weight: 600;
    color: var(--color-text);
}

.piece-meta__value {
    color: var(--color-text-light);
}

.piece-detail__description {
    margin-bottom: var(--spacing-xl);
}

.piece-detail__description h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.piece-detail__description p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.piece-detail__sold-message {
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    text-align: center;
}

.piece-detail__sold-message p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.piece-detail__error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
}

.piece-detail__error svg {
    color: var(--color-error);
    margin-bottom: var(--spacing-md);
}

.piece-detail__error p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Toast Notifications
   =================================== */

#toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: calc(var(--z-modal) + 10);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 250px;
    max-width: 400px;
    opacity: 0;
    transform: translateX(400px);
    transition: all var(--transition-base);
    pointer-events: all;
}

.toast.active {
    opacity: 1;
    transform: translateX(0);
}

.toast--success {
    background: var(--color-success);
}

.toast--error {
    background: var(--color-error);
}

.toast--warning {
    background: var(--color-warning);
}

.toast--info {
    background: var(--color-primary);
}

/* ===================================
   Loading Skeletons
   =================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-light) 0%,
        #e0e0e0 50%,
        var(--color-bg-light) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.skeleton-card__image {
    aspect-ratio: 4/5;
    background: var(--color-bg-light);
}

.skeleton-card__content {
    padding: var(--spacing-md);
}

.skeleton-line {
    height: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.skeleton-line--title {
    height: 20px;
    width: 80%;
}

.skeleton-line--price {
    height: 18px;
    width: 40%;
}

/* ===================================
   Loading & Empty States
   =================================== */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
}

.loading__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state__icon {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.empty-state__text {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet and up */
@media (min-width: 768px) {
    :root {
        --header-height: 80px;
        --container-padding: 2rem;
    }

    .header__nav {
        display: block;
    }

    .header__mobile-toggle {
        display: none;
    }

    .about__grid {
        grid-template-columns: 1fr 1fr;
    }

    .pieces-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .originals__actions {
        text-align: center;
    }

    .piece-detail__grid {
        grid-template-columns: 1.5fr 1fr;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .pieces-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large Desktop */
@media (min-width: 1280px) {
    :root {
        --container-max-width: 1280px;
    }

    .pieces-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mobile menu styles */
@media (max-width: 767px) {
    .header__nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .header__nav.show {
        display: block;
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav__link {
        display: block;
        padding: var(--spacing-sm);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .slide-panel__content {
        max-width: 100%;
    }

    .piece-detail__title {
        font-size: 1.5rem;
    }

    .piece-detail__price {
        font-size: 1.5rem;
    }

    .piece-gallery__nav {
        width: 36px;
        height: 36px;
    }

    .piece-gallery__nav--prev {
        left: var(--spacing-xs);
    }

    .piece-gallery__nav--next {
        right: var(--spacing-xs);
    }

    #toast-container {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-arrow {
        animation: none;
    }
}

/* Print styles */
@media print {
    .header,
    .modal,
    .slide-panel,
    .hero__scroll-indicator,
    .btn {
        display: none !important;
    }

    .hero {
        min-height: auto;
        page-break-after: always;
    }
}

/* ===================================
   ACCOUNT PAGE STYLES
   =================================== */

/* Account Page Body */
.account-page {
    background: var(--color-bg-light);
    min-height: 100vh;
}

.header--fixed {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

/* Account Main Container */
.account-main {
    padding-top: calc(var(--header-height) + var(--spacing-xl));
    padding-bottom: var(--spacing-3xl);
    min-height: calc(100vh - var(--header-height));
}

.account-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Account Header */
.account-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.account-header__title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.account-header__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* Account Layout */
.account-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

/* Sidebar */
.account-sidebar {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.account-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.account-nav__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
}

.account-nav__item:hover {
    background: var(--color-bg-light);
    color: var(--color-accent);
}

.account-nav__item--active {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--color-text);
}

.account-nav__item .icon {
    flex-shrink: 0;
}

/* Account Content */
.account-content {
    flex: 1;
}

.account-section {
    display: none;
}

.account-section--active {
    display: block;
}

.account-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.account-section__title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-primary);
}

.account-section__description {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* Account Card */
.account-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

/* Profile Section */
.profile-display {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.profile-info {
    display: grid;
    gap: var(--spacing-md);
}

.profile-info__item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.profile-info__item:last-child {
    border-bottom: none;
}

.profile-info__label {
    font-weight: 600;
    color: var(--color-text);
}

.profile-info__value {
    color: var(--color-text-light);
}

.profile-edit {
    display: none;
}

/* Form Styles */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-light);
}

.form__error {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form__hint {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form__checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.form__checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form__actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.form__message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
}

.form__message--success {
    background: #e8f5e9;
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form__message--error {
    background: #ffebee;
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.form__message--info {
    background: #e3f2fd;
    color: #1976d2;
    border: 1px solid #1976d2;
}

/* Addresses Section */
.addresses-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.address-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: box-shadow var(--transition-fast);
}

.address-card:hover {
    box-shadow: var(--shadow-md);
}

.address-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.address-card__label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: capitalize;
}

.address-card__actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-bg-light);
    color: var(--color-accent);
}

.btn-icon--danger:hover {
    background: #ffebee;
    color: var(--color-error);
}

.address-card__content p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

.address-card__badges {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge--default {
    background: var(--color-accent);
    color: white;
}

/* Orders Section */
.orders-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.order-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: box-shadow var(--transition-fast);
}

.order-card:hover {
    box-shadow: var(--shadow-md);
}

.order-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.order-card__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.order-card__number {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.order-card__date {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.order-status {
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.order-status--pending {
    background: #fff3e0;
    color: var(--color-warning);
}

.order-status--payment_processing {
    background: #e3f2fd;
    color: #1976d2;
}

.order-status--paid {
    background: #e8f5e9;
    color: var(--color-success);
}

.order-status--shipped {
    background: #e1f5fe;
    color: #0288d1;
}

.order-status--delivered {
    background: #c8e6c9;
    color: #2e7d32;
}

.order-status--cancelled {
    background: #ffebee;
    color: var(--color-error);
}

.order-status--refunded {
    background: #f3e5f5;
    color: #7b1fa2;
}

.order-card__content {
    margin-bottom: var(--spacing-md);
}

.order-card__summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.order-card__items {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.order-card__total {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
}

.order-card__actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Order Detail Modal */
.modal__container {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal.show .modal__container {
    transform: scale(1);
}

.modal__container--large {
    max-width: 900px;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--color-text-light);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-bg-light);
    color: var(--color-text);
}

.modal__body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* Order Detail */
.order-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.order-detail__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.order-detail__section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.order-detail__section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.order-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.order-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.order-item__image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.order-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.order-item__details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.order-item__title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.order-item__price {
    color: var(--color-accent);
    font-weight: 500;
}

.order-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.order-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.order-summary__total {
    border-top: 2px solid var(--color-border);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
}

.order-address h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.order-address p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state p {
    color: var(--color-text-light);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state__icon {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.empty-state__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state__text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* Error State */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.error-state p {
    color: var(--color-error);
}

/* Text Utilities */
.text-muted {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Button Loading State */
.btn__spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.account-dropdown__link--active {
    background: var(--color-bg-light);
    color: var(--color-accent);
}

/* ===================================
   Account Page Responsive
   =================================== */

/* Tablet and up */
@media (min-width: 768px) {
    .account-layout {
        grid-template-columns: 280px 1fr;
    }

    .form__row {
        grid-template-columns: 1fr 1fr;
    }

    .addresses-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .profile-info__item {
        grid-template-columns: 180px 1fr;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .account-header__title {
        font-size: 3rem;
    }

    .addresses-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .account-header__title {
        font-size: 2rem;
    }

    .account-section__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .account-section__title {
        font-size: 1.5rem;
    }

    .profile-info__item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .profile-info__label {
        font-size: 0.875rem;
    }

    .order-card__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal__container {
        max-width: 95%;
    }

    .modal__body {
        padding: var(--spacing-md);
    }

    .order-item {
        flex-direction: column;
    }

    .order-item__image {
        width: 100%;
        height: 200px;
    }
}