/* ========================================
   DATAX CRM - Design System
   ======================================== */

/* === 1. VARIABLES DE DISEÑO === */
:root {
    /* Colores Base - Premium Dark Night */
    --bg-app: #080c14;
    --bg-panel: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --bg-hover: #3b82f620;

    /* Colores de Marca - Royal Indigo & Emerald */
    --primary: #818cf8;
    /* Soft Indigo */
    --primary-hover: #6366f1;
    --primary-light: rgba(129, 140, 248, 0.15);
    --accent: #10b981;
    /* Emerald Accent */

    /* Colores de Estado - Harmonized */
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --error: #f87171;
    --error-light: rgba(248, 113, 113, 0.15);
    --info: #38bdf8;
    --info-light: rgba(56, 189, 248, 0.15);

    /* Texto */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-disabled: #64748b;

    /* Bordes */
    --border-color: #2d3548;
    --border-hover: #3d4558;

    /* Radios */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Tipografía */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 2. RESET Y BASE === */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
}

/* === 3. TIPOGRAFÍA === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.5em;
    color: var(--text-primary);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.125rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.875rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-hover);
}

/* === 4. LAYOUT PRINCIPAL === */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header / Navbar */
.header {
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background-color: rgba(21, 27, 46, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    max-width: 1600px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.brand-text {
    display: flex;
    gap: 0.25rem;
}

.brand-accent {
    color: var(--primary);
}

/* Navigation */
.nav-links {
    display: flex;
    gap: var(--space-sm);
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-muted);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

/* Main Layout */
.main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

.main-layout>main {
    min-width: 0;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-md);
    }
}

/* === 5. SIDEBAR === */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.sidebar-section {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

/* === 6. BOTONES === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Variantes de Botón */
.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Tamaños de Botón */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--radius-md);
}

/* === 7. CARDS === */
.card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* === 8. FORMULARIOS === */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-label-required::after {
    content: '*';
    color: var(--error);
    margin-left: 0.25rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder {
    color: var(--text-disabled);
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-grid-full {
    grid-column: 1 / -1;
}

/* === 9. TABLA === */
.table-container {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.table td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bg-hover);
}

/* === 10. BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background-color: var(--warning-light);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-error {
    background-color: var(--error-light);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-info {
    background-color: var(--info-light);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* === 11. STATS / WIDGETS === */
.stat-card {
    background: linear-gradient(135deg, var(--bg-panel), var(--bg-card));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-change {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--error);
}

/* === 12. MODAL === */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.modal.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform var(--transition-slow);
}

.modal.active .modal-content {
    transform: scale(1);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    padding: 0;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* === 13. UTILIDADES === */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-muted {
    color: var(--text-muted);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--space-xs);
}

.mb-2 {
    margin-bottom: var(--space-sm);
}

.mb-3 {
    margin-bottom: var(--space-md);
}

.mb-4 {
    margin-bottom: var(--space-lg);
}

.mb-5 {
    margin-bottom: var(--space-xl);
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--space-xs);
}

.mt-2 {
    margin-top: var(--space-sm);
}

.mt-3 {
    margin-top: var(--space-md);
}

.mt-4 {
    margin-top: var(--space-lg);
}

.mt-5 {
    margin-top: var(--space-xl);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-1 {
    gap: var(--space-xs);
}

.gap-2 {
    gap: var(--space-sm);
}

.gap-3 {
    gap: var(--space-md);
}

.gap-4 {
    gap: var(--space-lg);
}

/* === 14. SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-input);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* === 15. ANIMACIONES === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}