/* Xyst Brand CSS Variables */
:root {
    --color-primary: #616642;
    --color-secondary: #CC3366;
    --color-accent: #AFAB17;
    --color-background: #FFFFFF;
    --color-text: #0A0A0A;
    --color-button-secondary: #595A54;
    --color-gray-light: #F5F5F5;
    --color-gray: #E0E0E0;
    --color-gray-dark: #666666;
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-danger: #DC3545;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm: 3px;
    --radius-md: 8px;
    --radius-lg: 25px;

    --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);

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

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

/* Base */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--spacing-md); }

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

a:hover {
    color: var(--color-secondary);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-gray);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-user {
    color: var(--color-gray-dark);
    font-size: 0.875rem;
}

.nav-form {
    display: inline;
}

/* Main */
.main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* Footer */
.footer {
    background: var(--color-gray-light);
    padding: var(--spacing-lg) 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-dark);
}

.footer a {
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    gap: var(--spacing-sm);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.btn-primary:hover:not(:disabled) {
    background: #9A9615;
    border-color: #9A9615;
    color: #FFFFFF;
}

.btn-secondary {
    background: var(--color-button-secondary);
    color: #FFFFFF;
    border-color: var(--color-button-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: #4A4B45;
    border-color: #4A4B45;
    color: #FFFFFF;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary);
    color: #FFFFFF;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-lg);
    background: var(--color-background);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(97, 102, 66, 0.2);
}

.form-input::placeholder {
    color: var(--color-gray-dark);
}

.form-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

/* Cards */
.card {
    background: var(--color-background);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray);
}

.card-title {
    margin-bottom: 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
}

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

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-gray-light);
    border-radius: var(--radius-md);
}

.feature-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-gray-dark);
    margin-bottom: 0;
}

/* Alerts */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.alert-warning {
    background: #FFF3CD;
    color: #856404;
    border: 1px solid #FFEEBA;
}

.alert-danger {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

.alert-info {
    background: #D1ECF1;
    color: #0C5460;
    border: 1px solid #BEE5EB;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Auth Forms */
.auth-container {
    max-width: 400px;
    margin: 0 auto;
}

.auth-card {
    background: var(--color-background);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.auth-title {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-gray-dark);
}

/* HTMX Loading States */
.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-indicator {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    /* Keep header horizontal on mobile - logo left, nav right */
    .header .container {
        flex-direction: row;
        align-items: center;
    }

    .logo img {
        height: 32px;
    }

    .nav {
        gap: var(--spacing-sm);
    }

    /* Smaller nav items on mobile */
    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }

    .nav-user {
        font-size: 0.75rem;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Smaller buttons in nav */
    .nav .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
        min-height: auto;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-lg {
        width: 100%;
        max-width: 280px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-header h1 {
    margin-bottom: 0;
}

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

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-gray-light);
    border-radius: var(--radius-md);
}

.filter-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-form select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-sm);
}

.filter-count {
    color: var(--color-gray-dark);
    font-size: 0.875rem;
}

/* Equipment Grid */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.equipment-card {
    background: var(--color-background);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.equipment-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.equipment-card a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.equipment-image {
    aspect-ratio: 4 / 3;
    background: var(--color-gray-light);
    overflow: hidden;
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.equipment-info h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.equipment-meta {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    margin-bottom: 0;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.category-badge-lg {
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Equipment Detail */
.equipment-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.equipment-detail-image img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.detail-list {
    display: grid;
    gap: var(--spacing-md);
}

.detail-list dt {
    font-weight: 500;
    color: var(--color-gray-dark);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-list dd {
    margin: 0;
}

.safety-notes {
    background: #FFF3CD;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-warning);
}

.detail-actions {
    margin-top: var(--spacing-xl);
}

/* Form Styles */
.form {
    max-width: 600px;
}

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

.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="file"],
.form select,
.form textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-dark);
}

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

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.current-image img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray);
}

/* Button Danger */
.btn-danger {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background: #C82333;
    border-color: #C82333;
    color: white;
}

/* Inline Form */
.inline-form {
    display: inline;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-gray-light);
    border-radius: var(--radius-md);
}

.empty-state p {
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.page-info {
    color: var(--color-gray-dark);
}

/* Bulk Upload */
.instructions {
    background: var(--color-gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.instructions h2 {
    margin-bottom: var(--spacing-md);
}

.instructions ol {
    margin-left: var(--spacing-lg);
}

.instructions li {
    margin-bottom: var(--spacing-sm);
}

.instructions ul {
    margin-top: var(--spacing-sm);
    margin-left: var(--spacing-lg);
}

.instructions details {
    margin-top: var(--spacing-lg);
}

.instructions summary {
    cursor: pointer;
    font-weight: 500;
}

.instructions pre {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

/* Upload Result */
.upload-result {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    background: #D4EDDA;
    border: 1px solid #C3E6CB;
}

.upload-result.has-errors {
    background: #FFF3CD;
    border-color: #FFEEBA;
}

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

.success-count {
    color: #155724;
    font-weight: 500;
}

.error-count {
    color: var(--color-danger);
    font-weight: 500;
}

.error-list {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0,0,0,0.1);
}

.error-list ul {
    margin-left: var(--spacing-lg);
}

.error-list li {
    color: var(--color-danger);
    font-size: 0.875rem;
}

/* Alert Error */
.alert-error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

/* Code */
code {
    background: var(--color-gray-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.875rem;
}

/* Responsive Equipment Grid */
@media (max-width: 768px) {
    .equipment-detail {
        grid-template-columns: 1fr;
    }

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }
}

/* Mobile-Specific Improvements */
@media (max-width: 480px) {
    /* Safe area insets for notched devices */
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .main {
        padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
    }

    /* Larger touch targets (minimum 44px) */
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Prevent zoom on input focus (font-size >= 16px) */
    .form-input,
    .form-select,
    .form-textarea,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    textarea,
    select {
        font-size: 16px;
    }

    /* Keep navigation compact on very small screens */
    .nav {
        gap: var(--spacing-xs);
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .nav .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    /* Full-width buttons on mobile */
    .btn-lg {
        width: 100%;
    }

    /* Smaller headings on mobile */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    /* Tighter container padding */
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Adjust card padding */
    .card,
    .auth-card {
        padding: var(--spacing-md);
    }

    /* Filter bar stacking */
    .filter-bar {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }

    .filter-form {
        flex-direction: column;
        width: 100%;
    }

    .filter-form select {
        width: 100%;
    }

    /* Equipment grid single column */
    .equipment-grid {
        grid-template-columns: 1fr;
    }

    /* Pagination adjustments */
    .pagination {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    /* Result meta stacking */
    .result-meta {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* Touch-friendly checkbox and radio styling */
input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

/* Improve tap highlight */
@media (hover: none) {
    .btn:active {
        transform: scale(0.98);
    }

    .equipment-card:active {
        transform: scale(0.98);
    }

    a:active {
        opacity: 0.7;
    }
}

/* Button Loading States */
.btn .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: btn-spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Spinner for outline buttons */
.btn-outline .spinner {
    border-color: rgba(97, 102, 66, 0.3);
    border-top-color: var(--color-primary);
}

/* Smaller spinner for small buttons */
.btn-sm .spinner {
    width: 12px;
    height: 12px;
    border-width: 2px;
    margin-right: 6px;
}

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

.btn-loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

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

/* Error Display Styles */
.result-error {
    background: white;
    border-radius: var(--radius-sm);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-secondary);
}

.result-error h2 {
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.error-content {
    text-align: center;
    padding: 1.5rem;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-message {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.error-hint {
    color: var(--color-gray-dark);
    font-size: 0.875rem;
}

.error-actions {
    text-align: center;
    margin-top: 1.5rem;
}