/**
 * MODERN UI - Social Media Inspired Styles
 * ==========================================
 * Estilo general inspirado en redes sociales de moda (Instagram, TikTok, Pinterest)
 * Aplicado a toda la app para coherencia visual
 */

/* ==================== BODY & TYPOGRAPHY ==================== */
body {
    font-family: var(--font-family-ui);
    background: var(--color-surface);
    color: var(--color-ink);
    line-height: 1.6;
    letter-spacing: 0.3px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    transition: background 0.3s var(--easing-in-out), color 0.3s var(--easing-in-out);
}

body.dark-mode {
    background: linear-gradient(180deg, var(--color-dark-surface) 0%, #0A0A0A 100%);
    color: var(--color-dark-ink);
}

/* Gradient background pattern */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 107, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 188, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ==================== HEADINGS ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

h1 {
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: var(--font-weight-black);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: var(--font-weight-extrabold);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: var(--font-weight-bold);
}

/* ==================== CARDS & CONTAINERS ==================== */
.card,
.panel,
[class*="card"],
[class*="panel"],
.modal-content,
.dropdown,
.popover {
    border-radius: var(--radius-lg);
    background: white;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.card:hover,
.panel:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: rgba(255, 107, 107, 0.2);
}

.card:active,
.panel:active {
    transform: translateY(0);
}

body.dark-mode .card,
body.dark-mode .panel,
body.dark-mode [class*="card"],
body.dark-mode [class*="panel"],
body.dark-mode .modal-content,
body.dark-mode .dropdown,
body.dark-mode .popover {
    background: var(--color-dark-surface);
    border-color: var(--color-dark-border);
}

/* ==================== INPUT FIELDS ==================== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-border);
    background: white;
    color: var(--color-ink);
    font-family: var(--font-family-ui);
    font-size: 1rem;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="number"]::placeholder,
textarea::placeholder {
    color: var(--color-muted);
    font-weight: 400;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="number"]:hover,
textarea:hover,
select:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 1px rgba(255, 107, 107, 0.2), var(--shadow-sm);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15), 0 0 0 1px var(--color-primary), var(--shadow-md);
    transform: translateY(-1px);
    transition: var(--transition-fast);
}

body.dark-mode input[type="text"],
body.dark-mode input[type="email"],
body.dark-mode input[type="password"],
body.dark-mode input[type="number"],
body.dark-mode textarea,
body.dark-mode select {
    background: var(--color-dark-surface);
    border-color: var(--color-dark-border);
    color: var(--color-dark-ink);
}

/* ==================== FORM LABELS ==================== */
label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    color: var(--color-ink-soft);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* ==================== BADGES ==================== */
.badge,
.tag,
[class*="badge"],
[class*="tag"] {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(255, 152, 119, 0.1));
    color: var(--color-primary);
    border: 1px solid rgba(255, 107, 107, 0.2);
    transition: var(--transition-fast);
}

.badge:hover {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2), rgba(255, 152, 119, 0.2));
}

/* ==================== TABLES ==================== */
table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

thead {
    background: linear-gradient(135deg, var(--color-surface-alt), white);
}

th {
    padding: var(--space-lg);
    text-align: left;
    font-weight: var(--font-weight-bold);
    color: var(--color-ink-soft);
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--color-border);
}

td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

tbody tr {
    transition: var(--transition-fast);
}

tbody tr:hover {
    background: var(--color-surface-alt);
}

body.dark-mode thead {
    background: var(--color-dark-border);
}

body.dark-mode th {
    color: var(--color-dark-ink);
    border-bottom-color: var(--color-dark-border);
}

body.dark-mode td {
    border-bottom-color: var(--color-dark-border);
}

body.dark-mode tbody tr:hover {
    background: rgba(255, 107, 107, 0.05);
}

/* ==================== SCROLLBAR STYLING ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface-alt);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    border: 2px solid var(--color-surface-alt);
    transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-secondary-accent));
}

body.dark-mode ::-webkit-scrollbar-track {
    background: var(--color-dark-border);
}

/* ==================== DIVIDERS & SEPARATORS ==================== */
hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: var(--space-2xl) 0;
}

/* ==================== ACCESSIBILITY ==================== */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

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

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ==================== MODALS ==================== */
.modal-overlay,
.modal-backdrop,
[class*="overlay"],
[class*="backdrop"] {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* ==================== LOADING STATES ==================== */
.loading,
.skeleton,
[class*="loading"],
[class*="skeleton"] {
    animation: pulse 2s var(--easing-in-out) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ==================== UTILITY CLASSES ==================== */
.text-gradient {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.1); }
}

.hover-lift {
    transition: var(--transition-base);
}

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

.glow-on-hover {
    transition: var(--transition-base);
}

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

.gradient-border {
    border: 2px solid transparent;
    background-clip: padding-box;
    background-image: linear-gradient(white, white), var(--gradient-warm);
    background-origin: padding-box, border-box;
}

.shimmer {
    animation: shimmer 2s infinite;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    background-size: 200% 100%;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }
    
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    textarea,
    select {
        padding: var(--space-md) var(--space-md);
    }
    
    th, td {
        padding: var(--space-md);
    }
    
    .card,
    .panel {
        border-radius: var(--radius-md);
    }
}

/* ==================== PRINT ==================== */
@media print {
    body::before {
        display: none;
    }
    
    .modal-overlay,
    .sidebar,
    .navbar {
        display: none;
    }
    
    a {
        color: inherit;
    }
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}