/* ============================================
   SneakerBaker Satici Panel - Global Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --sb-bg: #f8f9fa;
    --sb-card: #ffffff;
    --sb-text: #111111;
    --sb-text-secondary: #1a1a1a;
    --sb-muted: #555555;
    --sb-border: #e2e8f0;
    --sb-border-hover: #cbd5e0;
    --sb-accent: #111111;
    --sb-accent-hover: #333;
    --sb-success: #38a169;
    --sb-success-light: #c6f6d5;
    --sb-danger: #e53e3e;
    --sb-danger-light: #fed7d7;
    --sb-warning: #f6ad55;
    --sb-warning-light: #fefcbf;
    --sb-info: #667eea;
    --sb-info-alt: #2563eb;
    --sb-surface: #f7fafc;
    --sb-overlay: rgba(0, 0, 0, 0.5);

    /* Layout */
    --gap: 16px;

    /* Typography */
    --sb-font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --sb-font-size-xs: 12px;
    --sb-font-size-sm: 13px;
    --sb-font-size-base: 15px;
    --sb-font-size-md: 16px;
    --sb-font-size-lg: 18px;
    --sb-font-size-xl: 22px;
    --sb-font-size-2xl: 28px;
    --sb-font-size-3xl: 32px;

    /* Spacing */
    --sb-space-xs: 4px;
    --sb-space-sm: 8px;
    --sb-space-md: 12px;
    --sb-space-lg: 16px;
    --sb-space-xl: 24px;
    --sb-space-2xl: 32px;
    --sb-space-3xl: 40px;
    --sb-space-4xl: 48px;

    /* Borders */
    --sb-radius-sm: 6px;
    --sb-radius-md: 8px;
    --sb-radius-lg: 10px;
    --sb-radius-xl: 12px;
    --sb-radius-2xl: 16px;
    --sb-radius-full: 9999px;

    /* Shadows */
    --sb-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --sb-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --sb-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
    --sb-shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --sb-transition: 0.2s ease;
    --sb-transition-slow: 0.3s ease;

    /* Header height for offset */
    --sb-header-height: 120px;
}

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

html {
    height: 100%;
    overflow-x: hidden;
    scrollbar-width: thin;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

html::-webkit-scrollbar {
    width: 6px;
}

html::-webkit-scrollbar-track {
    background: transparent;
}

html::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

html::-webkit-scrollbar-thumb:hover {
    background: #999;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--sb-font);
    font-size: var(--sb-font-size-base);
    line-height: 1.6;
    color: var(--sb-text);
    background: var(--sb-bg);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    max-width: 100vw;
    -webkit-overflow-scrolling: touch;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--sb-transition);
}

button, input, select, textarea {
    font-family: var(--sb-font);
    font-size: inherit;
}

/* --- Header --- */
.sb-header {
    background: var(--sb-card);
    box-shadow: var(--sb-shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--sb-border);
}

.sb-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--sb-space-2xl);
    max-width: 1440px;
    margin: 0 auto;
    height: 80px;
}

.sb-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    transition: opacity var(--sb-transition);
}

.sb-logo:hover {
    opacity: 0.85;
}

.sb-logo img {
    height: 52px;
    width: auto;
    display: block;
}

/* Desktop nav (top menu) */
.sb-nav-top {
    display: flex;
    align-items: center;
    gap: var(--sb-space-sm);
}

.sb-nav-top a {
    font-size: var(--sb-font-size-sm);
    font-weight: 600;
    color: var(--sb-text);
    padding: var(--sb-space-sm) var(--sb-space-lg);
    border-radius: var(--sb-radius-md);
    transition: all var(--sb-transition);
    white-space: nowrap;
    position: relative;
}

.sb-nav-top a:hover,
.sb-nav-top a.active {
    color: var(--sb-accent);
    background: var(--sb-surface);
}

.sb-nav-top a.sb-nav-highlight {
    color: var(--sb-info-alt);
    font-weight: 700;
}

/* Bottom nav bar */
.sb-nav-main {
    display: flex;
    background: var(--sb-surface);
    border-top: 1px solid var(--sb-border);
}

.sb-nav-main a {
    flex: 1;
    text-align: center;
    padding: var(--sb-space-md) var(--sb-space-lg);
    font-size: var(--sb-font-size-sm);
    font-weight: 600;
    color: var(--sb-text);
    transition: all var(--sb-transition);
    border-bottom: 3px solid transparent;
    position: relative;
}

.sb-nav-main a:hover,
.sb-nav-main a.active {
    color: var(--sb-accent);
    background: var(--sb-card);
    border-bottom-color: var(--sb-accent);
}

.sb-nav-main a:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: var(--sb-border);
}

/* Hamburger button */
.sb-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    gap: 5px;
    border-radius: var(--sb-radius-md);
    transition: background var(--sb-transition);
    -webkit-tap-highlight-color: transparent;
}

.sb-hamburger:hover {
    background: var(--sb-surface);
}

.sb-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--sb-text);
    border-radius: 2px;
    transition: all var(--sb-transition-slow);
    transform-origin: center;
}

.sb-hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

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

/* Mobile overlay menu */
.sb-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--sb-overlay);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--sb-transition-slow);
}

.sb-mobile-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.sb-mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background: var(--sb-card);
    z-index: 1001;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transition: right var(--sb-transition-slow);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.sb-mobile-nav.active {
    right: 0;
}

.sb-mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sb-space-lg) var(--sb-space-xl);
    border-bottom: 1px solid var(--sb-border);
    min-height: 64px;
}

.sb-mobile-nav-header .sb-logo img {
    height: 36px;
}

.sb-mobile-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--sb-surface);
    border-radius: var(--sb-radius-full);
    cursor: pointer;
    font-size: 18px;
    color: var(--sb-text);
    transition: all var(--sb-transition);
    line-height: 1;
}

.sb-mobile-close:hover {
    background: var(--sb-border);
}

.sb-mobile-nav-section {
    padding: var(--sb-space-sm) 0;
    border-bottom: 1px solid var(--sb-border);
}

.sb-mobile-nav-section:last-child {
    border-bottom: none;
}

.sb-mobile-nav-label {
    padding: var(--sb-space-md) var(--sb-space-xl);
    font-size: var(--sb-font-size-xs);
    font-weight: 700;
    color: var(--sb-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sb-mobile-nav a {
    display: flex;
    align-items: center;
    padding: var(--sb-space-md) var(--sb-space-xl);
    font-size: var(--sb-font-size-base);
    font-weight: 600;
    color: var(--sb-text);
    transition: all var(--sb-transition);
}

.sb-mobile-nav a:hover,
.sb-mobile-nav a:active {
    background: var(--sb-surface);
    color: var(--sb-accent);
}

.sb-mobile-nav a.sb-nav-highlight {
    color: var(--sb-info-alt);
}

/* --- Footer --- */
.sb-footer {
    background: #000;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: var(--sb-space-2xl) var(--sb-space-xl);
    margin-top: auto;
    font-size: var(--sb-font-size-sm);
    letter-spacing: 0.3px;
    flex-shrink: 0;
}

.sb-footer strong {
    color: #fff;
    font-weight: 600;
}

/* --- Content area (between header and footer) --- */
.sb-content,
.content-wrapper {
    flex: 1 0 auto;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* --- Common Container --- */
.sb-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--sb-space-xl);
    width: 100%;
}

.sb-container--narrow {
    max-width: 800px;
}

.sb-container--medium {
    max-width: 1200px;
}

/* --- Common Buttons --- */
.sb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sb-space-sm);
    padding: var(--sb-space-md) var(--sb-space-xl);
    border: 2px solid transparent;
    border-radius: var(--sb-radius-lg);
    font-family: var(--sb-font);
    font-size: var(--sb-font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--sb-transition);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
}

.sb-btn:active {
    transform: scale(0.98);
}

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

.sb-btn--primary:hover {
    background: #333;
    border-color: #333;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.sb-btn--outline {
    background: var(--sb-card);
    color: var(--sb-text);
    border-color: var(--sb-border);
}

.sb-btn--outline:hover {
    border-color: var(--sb-accent);
    background: var(--sb-surface);
}

.sb-btn--danger {
    background: var(--sb-card);
    color: var(--sb-danger);
    border-color: var(--sb-danger);
}

.sb-btn--danger:hover {
    background: var(--sb-danger);
    color: #fff;
}

.sb-btn--success {
    background: var(--sb-success);
    color: #fff;
    border-color: var(--sb-success);
}

.sb-btn--success:hover {
    background: #2f855a;
    border-color: #2f855a;
}

.sb-btn--block {
    display: flex;
    width: 100%;
}

.sb-btn--lg {
    padding: var(--sb-space-lg) var(--sb-space-2xl);
    font-size: var(--sb-font-size-md);
    min-height: 52px;
}

.sb-btn--sm {
    padding: var(--sb-space-sm) var(--sb-space-lg);
    font-size: var(--sb-font-size-xs);
    min-height: 36px;
}

/* --- Common Form Inputs --- */
.sb-input,
.sb-select,
.sb-textarea {
    width: 100%;
    padding: var(--sb-space-md) var(--sb-space-lg);
    border: 2px solid var(--sb-border);
    border-radius: var(--sb-radius-lg);
    background: var(--sb-card);
    font-family: var(--sb-font);
    font-size: var(--sb-font-size-base);
    color: var(--sb-text);
    transition: all var(--sb-transition);
    min-height: 48px;
    -webkit-appearance: none;
    appearance: none;
}

.sb-input:focus,
.sb-select:focus,
.sb-textarea:focus {
    outline: none;
    border-color: var(--sb-accent);
    box-shadow: 0 0 0 3px rgba(45, 55, 72, 0.1);
}

.sb-input::placeholder {
    color: var(--sb-muted);
}

.sb-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5568' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.sb-textarea {
    min-height: 100px;
    resize: vertical;
}

.sb-label {
    display: block;
    font-size: var(--sb-font-size-sm);
    font-weight: 600;
    color: var(--sb-text-secondary);
    margin-bottom: var(--sb-space-sm);
}

/* --- Common Cards --- */
.sb-card {
    background: var(--sb-card);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius-xl);
    box-shadow: var(--sb-shadow-sm);
    transition: all var(--sb-transition-slow);
    overflow: hidden;
}

.sb-card:hover {
    box-shadow: var(--sb-shadow-lg);
    border-color: var(--sb-border-hover);
}

.sb-card-body {
    padding: var(--sb-space-xl);
}

/* --- Common Badge --- */
.sb-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--sb-space-xs) var(--sb-space-md);
    border-radius: var(--sb-radius-full);
    font-size: var(--sb-font-size-xs);
    font-weight: 600;
    line-height: 1.4;
}

.sb-badge--success {
    background: var(--sb-success-light);
    color: #276749;
}

.sb-badge--danger {
    background: var(--sb-danger-light);
    color: #c53030;
}

.sb-badge--warning {
    background: var(--sb-warning-light);
    color: #975a16;
}

.sb-badge--info {
    background: #ebf4ff;
    color: #2b6cb0;
}

/* --- Common Alert boxes --- */
.sb-alert {
    padding: var(--sb-space-lg) var(--sb-space-xl);
    border-radius: var(--sb-radius-xl);
    border: 1px solid;
    font-size: var(--sb-font-size-sm);
    line-height: 1.6;
}

.sb-alert--info {
    background: #ebf8ff;
    border-color: #bee3f8;
    color: #2c5282;
}

.sb-alert--success {
    background: #f0fff4;
    border-color: #c6f6d5;
    color: #276749;
}

.sb-alert--warning {
    background: #fffbf0;
    border-color: #fefcbf;
    color: #975a16;
}

.sb-alert--danger {
    background: #fff5f5;
    border-color: #fed7d7;
    color: #c53030;
}

/* --- Common Table --- */
.sb-table {
    width: 100%;
    border-collapse: collapse;
}

.sb-table th,
.sb-table td {
    padding: var(--sb-space-md) var(--sb-space-lg);
    text-align: left;
    border-bottom: 1px solid var(--sb-border);
}

.sb-table th {
    font-size: var(--sb-font-size-xs);
    font-weight: 700;
    color: var(--sb-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--sb-surface);
}

/* --- Pagination --- */
.sb-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sb-space-sm);
    margin-top: var(--sb-space-xl);
}

.sb-pagination a,
.sb-pagination button,
.sb-pagination span {
    padding: var(--sb-space-sm) var(--sb-space-md);
    border: 2px solid var(--sb-border);
    border-radius: var(--sb-radius-md);
    background: var(--sb-card);
    font-weight: 500;
    font-size: var(--sb-font-size-sm);
    color: var(--sb-text);
    cursor: pointer;
    transition: all var(--sb-transition);
    min-width: 40px;
    text-align: center;
    font-family: var(--sb-font);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sb-pagination a:hover,
.sb-pagination button:hover {
    border-color: var(--sb-accent);
    background: var(--sb-surface);
}

.sb-pagination .active {
    background: var(--sb-accent);
    color: #fff;
    border-color: var(--sb-accent);
}

/* --- Loading spinner --- */
.sb-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--sb-border);
    border-top-color: var(--sb-accent);
    border-radius: 50%;
    animation: sb-spin 0.6s linear infinite;
}

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

/* --- Empty State --- */
.sb-empty {
    text-align: center;
    padding: var(--sb-space-4xl) var(--sb-space-xl);
    color: var(--sb-muted);
}

.sb-empty-icon {
    font-size: 48px;
    margin-bottom: var(--sb-space-lg);
    opacity: 0.5;
}

.sb-empty-title {
    font-size: var(--sb-font-size-lg);
    font-weight: 600;
    color: var(--sb-text);
    margin-bottom: var(--sb-space-sm);
}

/* --- Utility classes --- */
.sb-text-center { text-align: center; }
.sb-text-right { text-align: right; }
.sb-text-muted { color: var(--sb-muted); }
.sb-text-success { color: var(--sb-success); }
.sb-text-danger { color: var(--sb-danger); }
.sb-font-bold { font-weight: 700; }
.sb-mt-sm { margin-top: var(--sb-space-sm); }
.sb-mt-md { margin-top: var(--sb-space-md); }
.sb-mt-lg { margin-top: var(--sb-space-lg); }
.sb-mt-xl { margin-top: var(--sb-space-xl); }
.sb-mb-sm { margin-bottom: var(--sb-space-sm); }
.sb-mb-md { margin-bottom: var(--sb-space-md); }
.sb-mb-lg { margin-bottom: var(--sb-space-lg); }
.sb-mb-xl { margin-bottom: var(--sb-space-xl); }
.sb-hidden { display: none !important; }

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    :root {
        --sb-header-height: 64px;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
    :root {
        --sb-font-size-base: 14px;
        --sb-font-size-2xl: 24px;
        --sb-font-size-3xl: 28px;
    }

    /* Show hamburger, hide desktop top nav and bottom nav */
    .sb-hamburger {
        display: flex;
    }

    .sb-nav-top {
        display: none;
    }

    .sb-nav-main {
        display: none;
    }

    /* Show mobile nav elements */
    .sb-mobile-overlay,
    .sb-mobile-nav {
        display: block;
    }

    .sb-mobile-nav {
        display: flex;
    }

    /* Containers tighter on mobile */
    .sb-container {
        padding: var(--sb-space-lg);
    }

    /* Buttons: bigger tap targets on mobile */
    .sb-btn {
        min-height: 48px;
    }
}

/* --- Responsive: Small Mobile --- */
@media (max-width: 480px) {
    .sb-container {
        padding: var(--sb-space-md);
    }
}

/* Mobile header height increase */
@media (max-width: 768px) {
    .sb-header-inner {
        height: 72px;
        padding: 0 var(--sb-space-lg);
    }

    .sb-logo img {
        height: 44px;
    }
}

/* --- Print --- */
@media print {
    .sb-header,
    .sb-footer,
    .sb-hamburger,
    .sb-mobile-nav,
    .sb-mobile-overlay {
        display: none !important;
    }
}

/* Global black button hover - catches all #111 bg buttons */
a[style*="background: #111"]:hover,
a[style*="background:#111"]:hover,
button[style*="background: #111"]:hover,
button[style*="background:#111"]:hover {
    background: #333 !important;
}

/* Body lock when mobile nav open */
body.sb-nav-open {
    overflow: hidden;
}