:root {
    --primary-color: #3b82f6;
    /* Modern Blue */
    --primary-hover: #2563eb;
    --primary-soft: rgba(59, 130, 246, 0.1);
    --bg-color: #0f172a;
    /* Slate 950 */
    --card-bg: rgba(30, 41, 59, 0.7);
    /* Slate 800 with transparency */
    --text-color: #f1f5f9;
    /* Slate 100 */
    --text-muted: #94a3b8;
    /* Slate 400 */
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(15, 23, 42, 0.8);
    --transition-speed: 0.2s;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    overflow-x: hidden;
    background: radial-gradient(circle at 0% 0%, #1e293b 0%, #0f172a 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.7;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: #ffffff;
    font-weight: 700;
    letter-spacing: -0.025em;
}

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

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

/* Navbar */
.navbar {
    background-color: var(--nav-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: #fff !important;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
}

.navbar-brand img {
    height: 32px;
    width: auto;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    transition: color var(--transition-speed);
}

.nav-link:hover,
.nav-link.active {
    color: #fff !important;
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    background: #475569;
}

.btn-outline-primary {
    border-color: var(--glass-border);
    color: var(--text-color);
}

.btn-outline-primary:hover {
    background: var(--primary-soft);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Cards & Glassmorphism */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.2);
    transition: border-color var(--transition-speed);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

/* Forms */
.form-control {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    color: #fff;
    border-radius: 12px;
    padding: 12px 16px;
    transition: all var(--transition-speed);
}

.form-control:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-soft);
    color: #fff;
}

/* Inputs on dark background need help */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

/* Animations */
@keyframes slideUp {
    from {
        transform: translateY(12px);
        opacity: 0;
    }

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

.animate-slide-up {
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.75rem;
}

.badge-pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.profile-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    padding: 4px;
    background: var(--bg-color);
}

/* Feed specific */
.hover-scale {
    transition: transform 0.2s ease;
}

.hover-scale:hover {
    transform: scale(1.01);
}