/* ============================================================
   NEXUS NEWS - DISEÑO PREMIUM
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary: #f5576c;
    --primary-dark: #d6304a;
    --secondary: #f093fb;
    --accent: #ffd93d;
    --dark: #0a0a1a;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --radius: 16px;
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    padding-bottom: 90px;
    min-height: 100vh;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--secondary), var(--primary)); border-radius: 9999px; }

/* ========== FONDO ========== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(240,147,251,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(245,87,108,0.06) 0%, transparent 50%),
        linear-gradient(180deg, #0a0a1a, #12122a, #0a0a1a);
}

/* ========== HEADER ========== */
.header {
    padding: 16px 0;
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 10, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ========== NAVEGACIÓN ========== */
.main-nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.main-nav a {
    padding: 8px 16px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
}

.main-nav a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.main-nav a.active {
    color: var(--text);
    background: rgba(245, 87, 108, 0.15);
    border: 1px solid rgba(245, 87, 108, 0.2);
}

.main-nav a i {
    margin-right: 6px;
}

/* ========== BOTONES ========== */
.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    border: none;
    padding: 10px 24px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff !important;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(245, 87, 108, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 35px rgba(245, 87, 108, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text) !important;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ========== BÚSQUEDA ========== */
.search-box {
    position: relative;
}

.search-box input {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text);
    border-radius: 9999px;
    padding: 10px 45px 10px 18px;
    width: 200px;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(245, 87, 108, 0.1);
    background: rgba(255, 255, 255, 0.08);
    width: 240px;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box button {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    border: none;
    color: #fff;
    padding: 6px 14px;
    border-radius: 9999px;
    cursor: pointer;
}

/* ========== HEADER ACTIONS ========== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* ========== MODO CLARO ========== */
body.light-mode {
    --dark: #f0f2f5;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.06);
    --text: #1a1a2e;
    --text-muted: rgba(0, 0, 0, 0.55);
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
}

body.light-mode .animated-bg {
    background: linear-gradient(180deg, #f0f2f5, #e8ecf1, #f0f2f5);
}

body.light-mode .header {
    background: rgba(255, 255, 255, 0.85);
}

body.light-mode .header.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

body.light-mode .search-box input {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text);
}

body.light-mode .btn-secondary {
    background: rgba(0, 0, 0, 0.04);
}

body.light-mode .card-glass {
    background: rgba(255, 255, 255, 0.7);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .header .container {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .main-nav {
        justify-content: center;
    }
    .header-actions {
        justify-content: center;
    }
    .featured-news {
        grid-template-columns: 1fr !important;
    }
    .content-with-sidebar {
        grid-template-columns: 1fr !important;
    }
    footer .footer-grid {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 768px) {
    .main-nav a {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    .search-box input {
        width: 160px;
    }
    .search-box input:focus {
        width: 180px;
    }
    .news-grid {
        grid-template-columns: 1fr !important;
    }
    footer .footer-grid {
        grid-template-columns: 1fr !important;
    }
    .radio-player .radio-volume {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.4rem;
    }
    .main-nav a {
        padding: 4px 10px;
        font-size: 0.7rem;
    }
    .search-box input {
        width: 130px;
        padding: 8px 38px 8px 14px;
        font-size: 0.75rem;
    }
}