/* =============================================
   GESTOPO — Design System
   Paleta corporativa Azul + Blanco
   ============================================= */

:root {
    /* Azules principales */
    --blue-900: #0A1E3D;
    --blue-800: #0F2A4A;
    --blue-700: #143A64;
    --blue-600: #1B4F8C;
    --blue-500: #2563EB;
    --blue-400: #3A7BD5;
    --blue-300: #60A5FA;
    --blue-200: #93C5FD;
    --blue-100: #DBEAFE;
    --blue-50:  #EFF6FF;

    /* Neutros */
    --white:    #FFFFFF;
    --gray-50:  #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;

    /* Semánticos */
    --success:    #059669;
    --success-bg: #D1FAE5;
    --danger:     #DC2626;
    --danger-bg:  #FEE2E2;
    --warning:    #D97706;
    --warning-bg: #FEF3C7;

    /* Sombras */
    --shadow-sm:  0 1px 2px rgba(15, 42, 74, 0.06);
    --shadow-md:  0 4px 12px rgba(15, 42, 74, 0.08);
    --shadow-lg:  0 8px 30px rgba(15, 42, 74, 0.12);
    --shadow-xl:  0 12px 40px rgba(15, 42, 74, 0.16);

    /* Tipografía */
    --font-display: 'Outfit', sans-serif;
    --font-body:    'DM Sans', sans-serif;

    /* Radios */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition:      0.25s ease;
    --transition-slow: 0.4s ease;
}

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

body {
    font-family: var(--font-body);
    background: var(--gray-50);
    color: var(--gray-700);
    line-height: 1.6;
    font-size: 0.95rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--blue-800);
    line-height: 1.3;
}

a { color: var(--blue-500); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--blue-400); }

/* ---- Navbar ---- */
.navbar {
    background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 100%);
    color: var(--white);
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 2px;
}

.navbar .brand::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-400), var(--blue-300));
    border-radius: 2px;
}

.navbar .nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.navbar .nav-links a {
    color: rgba(255, 255, 255, 0.78);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    letter-spacing: 0.2px;
}

.navbar .nav-links a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.navbar .user-info {
    font-size: 0.82rem;
    color: var(--blue-300);
    margin: 0 0.8rem;
    font-weight: 500;
    border-left: 1px solid rgba(255,255,255,0.15);
    padding-left: 1rem;
}

.navbar .btn-logout {
    background: rgba(220, 38, 38, 0.15);
    color: #FCA5A5;
    border: 1px solid rgba(220, 38, 38, 0.25);
    padding: 0.38rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    font-family: var(--font-body);
}

.navbar .btn-logout:hover {
    background: rgba(220, 38, 38, 0.3);
    color: #FEE2E2;
    border-color: rgba(220, 38, 38, 0.5);
}

/* ---- Container ---- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 2rem;
}

/* ---- Flash Messages ---- */
.flash {
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: flashSlideIn 0.35s ease-out;
}

.flash.success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid #A7F3D0;
}

.flash.error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid #FECACA;
}

@keyframes flashSlideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Tables ---- */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

th, td {
    padding: 0.85rem 1.1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9rem;
}

th {
    background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-700) 100%);
    color: var(--white);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

tbody tr { transition: background var(--transition-fast); }
tbody tr:hover { background: var(--blue-50); }
tbody tr:last-child td { border-bottom: none; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    letter-spacing: 0.2px;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-600) 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-500) 100%);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    color: var(--white);
}

.btn-success {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
}
.btn-success:hover {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
    color: var(--white);
}

.btn-danger {
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
}
.btn-danger:hover {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--blue-600);
    border: 1.5px solid var(--blue-200);
}
.btn-secondary:hover {
    background: var(--blue-50);
    border-color: var(--blue-400);
    color: var(--blue-700);
}

/* ---- Forms ---- */
.form-group { margin-bottom: 1.2rem; }

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--blue-800);
    letter-spacing: 0.2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--gray-700);
    background: var(--white);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-400);
    box-shadow: 0 0 0 3px rgba(58, 123, 213, 0.12);
}

.form-group input::placeholder { color: var(--gray-400); }

/* ---- Cards ---- */
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.6rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.2rem;
    border: 1px solid var(--gray-100);
    transition: box-shadow var(--transition);
}

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

.card h2 {
    margin-bottom: 1.1rem;
    font-size: 1.15rem;
    color: var(--blue-800);
    font-weight: 700;
    position: relative;
    padding-bottom: 0.6rem;
}

.card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
    border-radius: 2px;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.8rem;
}

.page-header h1 {
    font-family: var(--font-display);
    color: var(--blue-900);
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.4rem 1.2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: all var(--transition);
    text-decoration: none;
    display: block;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card .number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--blue-500);
    line-height: 1;
}

.stat-card .label {
    font-size: 0.82rem;
    color: var(--gray-500);
    margin-top: 0.4rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

/* ---- Actions ---- */
.actions { display: flex; gap: 0.4rem; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .container { padding: 1.5rem; }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 0.8rem 1.2rem;
        gap: 0.6rem;
    }
    .navbar .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.15rem;
    }
    .navbar .user-info {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 0.5rem;
        margin: 0.3rem 0 0;
    }
    .page-header {
        flex-direction: column;
        gap: 0.8rem;
        align-items: flex-start;
    }
    .page-header h1 { font-size: 1.3rem; }
    table { font-size: 0.82rem; }
    th, td { padding: 0.55rem 0.7rem; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.7rem; }
    .stat-card .number { font-size: 1.7rem; }
    .container { padding: 1.2rem; }
    .card { padding: 1.2rem; }
}

@media (max-width: 480px) {
    .navbar .nav-links a { font-size: 0.8rem; padding: 0.35rem 0.6rem; }
    .stat-card { padding: 1rem; }
    .btn { font-size: 0.78rem; padding: 0.4rem 0.7rem; }
}

/* ---- Page entrance animation ---- */
.container { animation: fadeInUp 0.4s ease-out; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}