/* ============================================================
   CafeApp Admin Panel — Liquid Glassmorphism
   Modern UI with fruit/beverage theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    /* --- Fruit / Beverage palette --- */
    --bg-deep:     #0b0f1a;
    --bg-surface:  rgba(255, 255, 255, 0.04);
    --glass:       rgba(255, 255, 255, 0.06);
    --glass-hover: rgba(255, 255, 255, 0.10);
    --glass-border:rgba(255, 255, 255, 0.10);
    --glass-bright:rgba(255, 255, 255, 0.14);
    --glass-blur:  20px;

    --text:        #edf0f7;
    --text-muted:  rgba(237, 240, 247, 0.50);
    --text-dim:    rgba(237, 240, 247, 0.30);

    /* Accent — tropical gradient (mango -> berry -> lime) */
    --accent-1:    #ff9f43;   /* mango */
    --accent-2:    #ee5a6f;   /* berry */
    --accent-3:    #0abde3;   /* blue curacao */
    --accent-4:    #10ac84;   /* mint / lime */

    --gradient-accent: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
    --gradient-warm:   linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 100%);
    --gradient-cool:   linear-gradient(135deg, var(--accent-3), var(--accent-4));

    --danger:      #ff6b6b;
    --danger-bg:   rgba(255, 107, 107, 0.12);
    --success:     #2ed573;
    --success-bg:  rgba(46, 213, 115, 0.12);

    --radius:      12px;
    --radius-lg:   20px;
    --radius-sm:   8px;
    --shadow:      0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-lg:   0 16px 48px rgba(0, 0, 0, 0.5);
    --transition:  all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background blurs (fruit-colored) */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    z-index: -1;
    pointer-events: none;
    animation: bgDrift 25s ease-in-out infinite alternate;
}

body::before {
    width: 600px; height: 600px;
    top: -100px; left: -100px;
    background: radial-gradient(circle, var(--accent-1), var(--accent-2));
}

body::after {
    width: 500px; height: 500px;
    bottom: -80px; right: -80px;
    background: radial-gradient(circle, var(--accent-3), var(--accent-4));
    animation-delay: -12s;
}

@keyframes bgDrift {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(60px, 40px) scale(1.15); }
    100% { transform: translate(-30px, 70px) scale(0.95); }
}

/* ============================================================
   GLASS CARDS (reusable)
   ============================================================ */
.glass {
    background: var(--glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.glass:hover {
    background: var(--glass-hover);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.admin-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    background: rgba(11, 15, 26, 0.65);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions { display: flex; gap: 10px; align-items: center; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: -0.2px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-warm);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 159, 67, 0.25);
}
.btn-primary:hover {
    box-shadow: 0 6px 22px rgba(255, 159, 67, 0.4);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--gradient-cool);
    color: #fff;
    box-shadow: 0 4px 15px rgba(10, 189, 227, 0.25);
}
.btn-accent:hover {
    box-shadow: 0 6px 22px rgba(10, 189, 227, 0.4);
    transform: translateY(-1px);
}

.btn-outline {
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}
.btn-outline:hover {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,0.2);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(255,107,107,0.2);
}
.btn-danger:hover {
    background: rgba(255,107,107,0.2);
    border-color: rgba(255,107,107,0.4);
}

.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 15px; }
.btn-icon {
    background: transparent;
    border: none;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
}
.btn-icon:hover { background: var(--glass-hover); }

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.admin-main {
    max-width: 1440px;
    margin: 0 auto;
    padding: 28px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.dashboard-header h1 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    margin-top: 36px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.section-header .section-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: var(--gradient-warm);
}

/* ============================================================
   TV BACKGROUNDS SECTION
   ============================================================ */
.bg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 36px;
}

@media (max-width: 900px) {
    .bg-grid { grid-template-columns: 1fr; }
}

.bg-card {
    background: var(--glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.bg-card:hover {
    border-color: rgba(255,255,255,0.18);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.bg-card-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--glass-border);
}

.bg-card-header h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
}

.bg-card-header .tv-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--glass-bright);
    color: var(--text-muted);
}

.bg-card-preview {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.bg-card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg-card-preview .no-bg {
    color: var(--text-dim);
    font-size: 14px;
    text-align: center;
}

.bg-card-preview .no-bg span {
    display: block;
    font-size: 32px;
    margin-bottom: 6px;
}

.bg-card-actions {
    padding: 14px 20px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.bg-card-actions form { display: flex; gap: 8px; align-items: center; flex: 1; }

.bg-file-input {
    flex: 1;
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================================
   TV GRID — Menu Items (3 columns)
   ============================================================ */
.tv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 1000px) {
    .tv-grid { grid-template-columns: 1fr; }
}

.tv-column {
    background: var(--glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.tv-column:hover {
    border-color: rgba(255,255,255,0.18);
}

.tv-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.02);
}

.tv-header h2 {
    font-size: 15px;
    font-weight: 700;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.item-count {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--glass-bright);
    padding: 3px 10px;
    border-radius: 20px;
}

.items-list {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 180px;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    color: var(--text-dim);
    font-style: italic;
    font-size: 14px;
}

/* ============================================================
   ITEM CARDS (menu items inside TV columns)
   ============================================================ */
.item-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg-surface);
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: var(--transition);
}

.item-card:hover {
    background: var(--glass-hover);
    border-color: var(--glass-border);
}

.item-card.inactive {
    opacity: 0.35;
}

.item-card-image {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: rgba(255,255,255,0.04);
}

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

.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-dim);
}

.item-card-info {
    flex: 1;
    min-width: 0;
}

.item-card-info h3 {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-desc {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.item-price {
    font-size: 13px;
    font-weight: 700;
    margin-top: 3px;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.item-card-actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

/* ============================================================
   ALERTS (glassmorphism)
   ============================================================ */
.alert {
    padding: 12px 18px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid rgba(46,213,115,0.25);
    color: var(--success);
}

.alert-error {
    background: var(--danger-bg);
    border: 1px solid rgba(255,107,107,0.25);
    color: var(--danger);
}

/* ============================================================
   MODAL (glass overlay)
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: rgba(20, 24, 40, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h2 {
    font-size: 17px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.modal-close:hover {
    background: var(--glass-hover);
    color: var(--text);
}

#itemForm { padding: 24px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 16px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(255, 159, 67, 0.12);
}

.form-group textarea { resize: vertical; }

.form-group input[type="file"] {
    font-size: 12px;
    color: var(--text-muted);
}

.form-hint {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
    display: block;
}

.form-group input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--accent-1);
}

.form-group select option {
    background: #1a1e2e;
    color: var(--text);
}

.current-image {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.current-image img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.current-image label {
    font-size: 11px;
    color: var(--text-muted);
    display: inline !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 44px 36px;
    background: rgba(20, 24, 40, 0.65);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-logo {
    font-size: 52px;
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 12px rgba(255,159,67,0.3));
}

.login-container h1 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 28px;
}

.login-form { text-align: left; }
.login-form .form-group { margin-bottom: 16px; }
.login-form .btn { margin-top: 8px; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.12);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 768px) {
    .admin-nav { padding: 12px 16px; }
    .admin-main { padding: 16px; }
    .dashboard-header { flex-direction: column; gap: 12px; align-items: flex-start; }
    .bg-grid { grid-template-columns: 1fr; }
    .tv-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}