/* WEAR Application Stylesheet */

/* Color Palette */
:root {
    --color-bg: #1a1a1a;
    --color-bg-light: #242424;
    --color-bg-lighter: #333;
    --color-text: #e0e0e0;
    --color-text-muted: #9ca3af;
    --color-text-dim: #666;

    --color-turquoise: #7DD3C0;
    --color-turquoise-dark: #5BBFAC;
    --color-purple: #A78BFA;
    --color-purple-light: #C4B5FD;
    --color-yellow: #FCD34D;
    --color-pink: #F472B6;

    --color-error: #FCA5A5;
    --color-error-bg: rgba(239, 68, 68, 0.15);
    --color-error-border: rgba(239, 68, 68, 0.3);

    --color-success: var(--color-turquoise);
    --color-success-bg: rgba(125, 211, 192, 0.15);
    --color-success-border: rgba(125, 211, 192, 0.3);

    --color-info: var(--color-yellow);
    --color-info-bg: rgba(252, 211, 77, 0.15);
    --color-info-border: rgba(252, 211, 77, 0.3);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden; /* Prevent horizontal scroll */
    padding-top: 80px; /* Account for fixed nav */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-purple);
}

a {
    color: var(--color-purple);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-purple-light);
}

/* Navigation */
.main-nav {
    background: rgba(36, 36, 36, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

body {
    padding-top: 80px; /* Account for fixed nav */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-pink);
    z-index: 101;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-image {
    height: 40px;
    width: auto;
}

/* Hamburger Menu Button */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--color-turquoise);
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger:hover span {
    background: var(--color-turquoise-dark);
}

/* Hamburger animation when menu is open */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Nav Menu - Slide-in Panel */
.nav-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background-color: var(--color-bg-light);
    border-left: 1px solid var(--color-bg-lighter);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
    visibility: hidden;
}

.nav-menu.active {
    right: 0;
    visibility: visible;
}

.nav-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-bg-lighter);
}

.nav-user-name {
    font-weight: 600;
    color: var(--color-turquoise);
}

.nav-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.nav-close:hover {
    color: var(--color-error);
}

.nav-menu ul {
    list-style: none;
    padding: 1rem 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--color-text);
    font-size: 1rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-menu a:hover {
    background-color: var(--color-bg);
    border-left-color: var(--color-turquoise);
    color: var(--color-turquoise);
}

.nav-logout {
    color: var(--color-text-muted) !important;
}

.nav-logout:hover {
    color: var(--color-error) !important;
    border-left-color: var(--color-error) !important;
}

.nav-divider {
    height: 1px;
    background-color: var(--color-bg-lighter);
    margin: 0.5rem 0;
}

/* Overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 999;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

/* Auth Layout */
.auth-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background-color: var(--color-bg-light);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.auth-card h1 {
    font-size: 3.5rem;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: var(--color-pink);
}

.auth-card h2 {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--color-purple);
}

.subtitle {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    border: 2px solid var(--color-bg-lighter);
    border-radius: 8px;
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-turquoise);
    box-shadow: 0 0 0 3px rgba(125, 211, 192, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-dim);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: var(--color-turquoise);
}

.checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: 400;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    padding: 14px 24px;
    font-family: 'Oswald', sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--color-turquoise) 0%, var(--color-turquoise-dark) 100%);
    color: var(--color-bg);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(125, 211, 192, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-purple) 0%, #9370DB 100%);
    color: white;
}

.btn-secondary:hover {
    box-shadow: 0 4px 12px rgba(167, 139, 250, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Flash Messages */
.flash-message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.flash-error {
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    color: var(--color-error);
}

.flash-success {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success);
}

.flash-info {
    background-color: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
    color: var(--color-info);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    margin: 28px 0;
    color: var(--color-text-dim);
    font-size: 0.85rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-bg-lighter);
}

.divider::before {
    margin-right: 12px;
}

.divider::after {
    margin-left: 12px;
}

/* Links */
.links {
    text-align: center;
    margin-top: 24px;
    font-size: 0.9rem;
}

.links a {
    color: var(--color-purple);
}

.links a:hover {
    color: var(--color-purple-light);
}

/* Cards */
.card {
    background-color: var(--color-bg-light);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.card-content {
    margin-bottom: 16px;
}

.card-footer {
    border-top: 1px solid var(--color-bg-lighter);
    padding-top: 16px;
    margin-top: 16px;
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* Item Card */
.item-card {
    position: relative;
    overflow: hidden;
}

.item-image {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 12px;
}

.item-info {
    font-size: 0.9rem;
}

.item-category {
    color: var(--color-turquoise);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.item-brand {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.item-tag {
    background-color: var(--color-bg);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.empty-state-message {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* Footer */
.main-footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-bg-lighter);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .auth-card {
        padding: 30px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* AI Analysis Spinner */
.ai-spinner-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 26, 26, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.ai-spinner-overlay.active {
    display: flex;
}

.ai-spinner-content {
    text-align: center;
}

.ai-spinner {
    width: 80px;
    height: 80px;
    border: 8px solid rgba(255, 255, 255, 0.1);
    border-top: 8px solid var(--color-turquoise);
    border-radius: 50%;
    animation: spin 1s linear infinite, colorCycle 4s linear infinite;
    margin: 0 auto 24px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes colorCycle {
    0% { border-top-color: var(--color-turquoise); }
    25% { border-top-color: var(--color-purple); }
    50% { border-top-color: var(--color-pink); }
    75% { border-top-color: var(--color-yellow); }
    100% { border-top-color: var(--color-turquoise); }
}

.ai-spinner-text {
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.ai-spinner-subtext {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Button loading state */
.btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    right: 12px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}