/* App styles for Polla Mundialista — custom over Bootstrap CDN */

:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;
    --color-dark: #0f172a;
    --color-dark-2: #1e293b;
    --color-gray: #64748b;
    --color-gray-light: #f1f5f9;
    --color-success: #10b981;
    --color-danger: #ef4444;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.06);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.12);
}

* { font-family: var(--font-primary); }

body { background: #ffffff; color: var(--color-dark); }

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 10px;
    transition: all 0.2s;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-outline-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.2s;
}
.btn-outline-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    transform: translateY(-1px);
}
.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border: none;
    color: #fff;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 10px;
    transition: all 0.2s;
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
    color: #fff;
}
.btn-lg { padding: 14px 32px; border-radius: 12px; font-size: 1.05rem; }

/* Navbar */
.navbar-main {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.navbar-main .nav-link {
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
}
.navbar-main .nav-link:hover,
.navbar-main .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

/* Cards */
.card-modern {
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: var(--radius-lg);
    transition: all 0.25s;
    background: #fff;
}
.card-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.15);
}

/* Badges modern */
.badge-modern {
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero sections */
.hero-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(124, 58, 237, 0.06) 0%, transparent 50%);
    animation: heroGlow 15s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(2%, 2%) rotate(3deg); }
}

/* Footer */
.footer-main {
    background: var(--color-dark);
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-main a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
.footer-main a:hover { color: #fff; }

/* Flash messages */
.flash-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    width: 90%;
    max-width: 500px;
}
.alert-flash {
    border: none;
    border-radius: 12px;
    padding: 14px 20px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s ease-out;
}
@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.text-white-70 { color: rgba(255,255,255,0.7); }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 { font-size: 2rem; }
}