/* ============================================
   Admin Panel — Hà Nhung Wedding
   ============================================ */

:root {
    --clr-cream:     #FAF7F2;
    --clr-warm:      #F3EDE4;
    --clr-blush:     #E8D5C4;
    --clr-rose:      #C9A68E;
    --clr-gold:      #B08968;
    --clr-deep:      #6B4F3A;
    --clr-dark:      #3B2F25;
    --clr-white:     #FFFFFF;
    --clr-text:      #5A4A3F;
    --clr-text-light:#8C7B6F;
    --clr-border:    #E6DDD4;
    --clr-success:   #5B8C5A;
    --clr-danger:    #B85C5C;

    --ff-heading: 'Playfair Display', 'Georgia', serif;
    --ff-body:    'Cormorant Garamond', 'Georgia', serif;
    --ff-accent:  'Montserrat', 'Helvetica Neue', sans-serif;

    --radius-soft: 16px;
    --radius-card: 24px;
    --radius-pill: 100px;
    --shadow-soft: 0 4px 24px rgba(107, 79, 58, 0.06);
    --shadow-hover: 0 8px 32px rgba(107, 79, 58, 0.12);
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; }

body {
    font-family: var(--ff-body);
    font-size: 1rem;
    color: var(--clr-text);
    background: var(--clr-cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Login Page ---------- */
.admin-login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-warm);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--clr-white);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-hover);
    padding: 48px 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-family: var(--ff-heading);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--clr-dark);
    margin-bottom: 4px;
}

.login-header p {
    font-family: var(--ff-accent);
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--clr-rose);
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer a {
    font-family: var(--ff-accent);
    font-size: 0.75rem;
    color: var(--clr-text-light);
    text-decoration: none;
    letter-spacing: 1px;
}

.login-footer a:hover { color: var(--clr-gold); }

/* ---------- Form Controls ---------- */
.form-label {
    font-family: var(--ff-accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--clr-text-light);
    margin-bottom: 6px;
}

.form-control,
.form-select {
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    padding: 12px 16px;
    font-family: var(--ff-body);
    font-size: 1rem;
    color: var(--clr-text);
    background: var(--clr-cream);
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--clr-gold);
    box-shadow: 0 0 0 3px rgba(176, 137, 104, 0.1);
    background: var(--clr-white);
    outline: none;
}

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

/* ---------- Buttons ---------- */
.btn-admin-primary {
    font-family: var(--ff-accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: var(--clr-gold);
    color: var(--clr-white);
    border: none;
    border-radius: var(--radius-pill);
    padding: 14px 32px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-admin-primary:hover {
    background: var(--clr-deep);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.btn-admin-outline {
    font-family: var(--ff-accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: transparent;
    color: var(--clr-gold);
    border: 1.5px solid var(--clr-gold);
    border-radius: var(--radius-pill);
    padding: 10px 24px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-admin-outline:hover {
    background: var(--clr-gold);
    color: var(--clr-white);
}

.btn-admin-danger {
    font-family: var(--ff-accent);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: transparent;
    color: var(--clr-danger);
    border: 1.5px solid var(--clr-danger);
    border-radius: var(--radius-pill);
    padding: 8px 18px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-admin-danger:hover {
    background: var(--clr-danger);
    color: var(--clr-white);
}

.btn-admin-sm {
    font-size: 0.65rem;
    padding: 8px 18px;
    letter-spacing: 1px;
}

/* ---------- Admin Layout ---------- */
.admin-topbar {
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-soft);
}

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

.admin-brand {
    font-family: var(--ff-heading);
    font-size: 1.3rem;
    color: var(--clr-dark);
    text-decoration: none;
}

.admin-brand span {
    font-family: var(--ff-accent);
    font-size: 0.6rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-rose);
    display: block;
    margin-top: 2px;
}

.admin-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-nav a {
    font-family: var(--ff-accent);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--clr-text-light);
    text-decoration: none;
    transition: var(--transition);
}

.admin-nav a:hover { color: var(--clr-gold); }

/* ---------- Dashboard ---------- */
.admin-content {
    padding: 40px 0;
}

.admin-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.admin-page-header h2 {
    font-family: var(--ff-heading);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--clr-dark);
    margin: 0;
}

/* ---------- Alert ---------- */
.alert {
    border-radius: 12px;
    font-family: var(--ff-accent);
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 14px 20px;
}

.alert-success {
    background: rgba(91, 140, 90, 0.1);
    color: var(--clr-success);
}

.alert-danger {
    background: rgba(184, 92, 92, 0.1);
    color: var(--clr-danger);
}

/* ---------- Portfolio Grid ---------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.portfolio-item {
    background: var(--clr-white);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid var(--clr-border);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.portfolio-item-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.portfolio-item-body {
    padding: 20px;
}

.portfolio-item-category {
    font-family: var(--ff-accent);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-rose);
    margin-bottom: 6px;
    display: block;
}

.portfolio-item-title {
    font-family: var(--ff-heading);
    font-size: 1.1rem;
    color: var(--clr-dark);
    margin-bottom: 6px;
}

.portfolio-item-desc {
    font-size: 0.9rem;
    color: var(--clr-text-light);
    font-style: italic;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-item-meta {
    font-family: var(--ff-accent);
    font-size: 0.65rem;
    letter-spacing: 1px;
    color: var(--clr-text-light);
    margin-bottom: 12px;
}

.portfolio-item-actions {
    display: flex;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--clr-warm);
}

/* ---------- Modal / Form Panel ---------- */
.admin-form-panel {
    background: var(--clr-white);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 36px;
    border: 1px solid var(--clr-border);
    margin-bottom: 32px;
}

.admin-form-panel h3 {
    font-family: var(--ff-heading);
    font-size: 1.3rem;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--clr-warm);
}

/* Image preview */
.image-preview {
    width: 120px;
    height: 120px;
    border-radius: 16px;
    object-fit: cover;
    border: 2px solid var(--clr-border);
    margin-top: 8px;
}

.file-input-wrapper {
    position: relative;
}

.file-input-wrapper input[type="file"] {
    font-family: var(--ff-accent);
    font-size: 0.8rem;
}

/* ---------- Filter Bar ---------- */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--ff-accent);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: var(--clr-white);
    color: var(--clr-text-light);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-pill);
    padding: 8px 20px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--clr-gold);
    color: var(--clr-white);
    border-color: var(--clr-gold);
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--clr-text-light);
}

.empty-state i {
    font-size: 3rem;
    color: var(--clr-blush);
    margin-bottom: 16px;
    display: block;
}

.empty-state p {
    font-style: italic;
    font-size: 1.1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 767px) {
    .login-card { padding: 32px 24px; }

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

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

    .admin-form-panel {
        padding: 24px 20px;
    }
}