/* ==============================================================================
   NoticiasQuentes Studio — Design System CSS (Modern Slate & Indigo)
   ============================================================================== */

:root {
    --bg-main: #0b0f19;
    --bg-card: #111827;
    --bg-card-hover: #1f2937;
    --bg-input: #1e293b;
    --border-color: #1f293d;
    --border-light: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: #0f172a;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.brand-badge {
    background: linear-gradient(135deg, #ef4444, #f97316);
    color: #fff;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 800;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.75rem;
}

.nav-section {
    margin-bottom: 1.25rem;
}

.nav-section-title {
    padding: 0 0.75rem 0.4rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-card-hover);
}

.nav-link.active {
    color: #fff;
    background-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.nav-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Main Content Area */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.top-header {
    height: var(--header-height);
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 30;
}

.page-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #334155;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}

/* Content Container */
.content-body {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
}

/* Alerts / Flash messages */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid transparent;
}
.alert-success { background: rgba(16, 185, 129, 0.15); border-color: rgba(16, 185, 129, 0.3); color: #34d399; }
.alert-error { background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.3); color: #f87171; }
.alert-warning { background: rgba(245, 158, 11, 0.15); border-color: rgba(245, 158, 11, 0.3); color: #fbbf24; }
.alert-info { background: rgba(6, 182, 212, 0.15); border-color: rgba(6, 182, 212, 0.3); color: #38bdf8; }

/* Grid & Cards */
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-light);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.stat-title { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; color: var(--text-muted); }
.stat-icon { font-size: 1.25rem; }
.stat-value { font-size: 1.85rem; font-weight: 700; color: #fff; }
.stat-desc { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.25rem; }

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-title { font-size: 1.05rem; font-weight: 600; color: #fff; }
.card-body { padding: 1.5rem; }

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}
.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s ease;
}
.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}
.btn-primary { background-color: var(--accent); color: #fff; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-secondary { background-color: #334155; color: #fff; }
.btn-secondary:hover { background-color: #475569; }
.btn-danger { background-color: var(--danger); color: #fff; }
.btn-danger:hover { background-color: #dc2626; }
.btn-outline { background-color: transparent; border-color: var(--border-light); color: var(--text-primary); }
.btn-outline:hover { background-color: var(--bg-card-hover); border-color: var(--accent); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.75rem; }

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    text-align: left;
}
.table th {
    padding: 0.75rem 1rem;
    background-color: #0d131f;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}
.table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.table tr:hover td {
    background-color: rgba(31, 41, 55, 0.5);
    color: var(--text-primary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
}
.badge-success { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge-info { background: rgba(6, 182, 212, 0.2); color: #38bdf8; }
.badge-secondary { background: rgba(107, 114, 128, 0.2); color: #9ca3af; }

/* Roadmaps & Coming Soon badges */
.badge-roadmap {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

/* Login Page Specifics */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, #1e293b, #0b0f19 70%);
    padding: 1.5rem;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}
.auth-brand {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-top: 0.5rem;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}
.page-btn {
    padding: 0.4rem 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}
.page-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-wrapper {
        margin-left: 0;
    }
    .mobile-toggle {
        display: block;
    }
    .top-header {
        padding: 0 1rem;
    }
    .content-body {
        padding: 1rem;
    }
}