:root {
    /* Brand Palette - Professional & Modern */
    --primary-color: #2ecc71;
    /* Emerald Green - Health & Vitality */
    --primary-hover: #27ae60;

    --secondary-color: #2c3e50;
    /* Midnight Blue/Grey - Professional Neutral */
    --secondary-hover: #34495e;

    --accent-gold: #f1c40f;
    /* Subtle Gold highlights */
    --accent-red: #e74c3c;

    --bg-dark: #121212;
    /* Deep Black */
    --bg-card: #1e1e1e;
    /* Dark Grey Card */
    --bg-input: #2d2d2d;

    --text-light: #f8f9fa;
    --text-muted: #adb5bd;

    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.16);
    --shadow-strong: 0 10px 30px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);

    --transition-fast: all 0.2s ease-in-out;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-light);
    font-weight: 700;
    letter-spacing: -0.01em;
}

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

.text-warning {
    color: var(--accent-gold) !important;
}

a {
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Navbar - Professional Dark Glassmorphism */
.navbar {
    background-color: rgba(18, 18, 18, 0.95) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-soft);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: 'Outfit', sans-serif;
    color: var(--text-light) !important;
    font-weight: 700;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
}

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

.logo-img {
    height: 50px;
    margin-right: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.nav-link {
    font-family: 'Inter', sans-serif;
    color: var(--text-muted) !important;
    font-weight: 500;
    font-size: 0.95rem;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background: rgba(46, 204, 113, 0.1);
}

/* Cards & Containers */
.card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

.card:hover {
    box-shadow: var(--shadow-strong);
    border-color: rgba(46, 204, 113, 0.3);
    transform: translateY(-2px);
    transition: var(--transition-smooth);
}

.card-header {
    background-color: rgba(0, 0, 0, 0.2) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.25rem 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    transition: var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.25);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(46, 204, 113, 0.35);
    color: #000;
}

.btn-outline-primary {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: #000;
}

/* Inputs */
.form-control,
.form-select {
    background-color: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-radius: 8px;
    padding: 0.8rem 1rem;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-input);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.15);
    color: var(--text-light);
}

.form-label {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Utilities */
.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.bg-darker {
    background-color: rgba(0, 0, 0, 0.2) !important;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.animate-slide-up {
    animation: fadeIn 0.6s ease-out forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

/* Gradient Text Utility */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #2ecc71);
    /* Fallback/Adjustment */
    background: linear-gradient(135deg, #2ecc71 0%, #f1c40f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}