/* ============================================
   Media Downloader & Manager - Main styles
   Responsive, clean layout
   ============================================ */

:root {
    --color-bg: #f5f6fa;
    --color-card: #ffffff;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #64748b;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success: #059669;
    --color-error: #dc2626;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.site-header {
    background: var(--color-card);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.logo {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background 0.2s, color 0.2s;
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.08);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* Container */
.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Main content */
.main {
    flex: 1;
    padding: 2rem 0;
}

.dashboard-main .container {
    max-width: 1100px;
}

/* Hero */
.hero {
    text-align: center;
    padding: 2.5rem 1rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(37, 99, 235, 0.02) 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero-title {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

.hero-text {
    margin: 0;
    color: var(--color-text-muted);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-text code {
    font-size: 0.9em;
    background: var(--color-border);
    padding: 0.15em 0.4em;
    border-radius: 4px;
}

/* Content layout */
.content-wrap {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Cards */
.card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-title {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.card-desc {
    margin: 0 0 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

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

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="file"],
.form-group select {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.2s, color 0.2s;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--color-secondary);
    color: #fff;
}

.btn-secondary:hover {
    background: #475569;
}

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

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

.btn-small {
    padding: 0.35rem 0.65rem;
    font-size: 0.875rem;
}

.actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.actions .btn {
    white-space: nowrap;
}

/* Messages */
.message {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.message.success {
    background: rgba(5, 150, 105, 0.12);
    color: var(--color-success);
}

.message.error {
    background: rgba(220, 38, 38, 0.1);
    color: var(--color-error);
}

.message:empty {
    display: none;
}

/* Dashboard */
.page-heading {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.dashboard-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1.5rem;
}

.toolbar-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.toolbar-group input,
.toolbar-group select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    min-width: 180px;
}

.toolbar-group label:not(.sr-only) {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Media section */
.media-section {
    padding: 1rem;
    overflow-x: auto;
}

.empty-state {
    text-align: center;
    color: var(--color-text-muted);
    padding: 2rem;
}

.empty-state a {
    color: var(--color-primary);
    text-decoration: none;
}

.empty-state a:hover {
    text-decoration: underline;
}

/* Table */
.table-wrap {
    overflow-x: auto;
}

.media-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.media-table th,
.media-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.media-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.media-table tbody tr:hover {
    background: rgba(0, 0, 0, 0.02);
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-border);
    color: var(--color-text);
    border-radius: 4px;
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 1.25rem;
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.site-footer p {
    margin: 0;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.4rem;
    }

    .media-table th,
    .media-table td {
        padding: 0.5rem 0.6rem;
        font-size: 0.85rem;
    }

    .media-table .actions {
        flex-direction: column;
    }

    .dashboard-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-group input,
    .toolbar-group select {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .card {
        padding: 1rem;
    }
}