:root {
    /* Color Palette - Premium Dark Theme */
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --accent-blue: #38bdf8;
    --accent-purple: #818cf8;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-glass: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
    --gradient-primary: linear-gradient(135deg, #38bdf8, #818cf8);
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);

    /* Spacing & Borders */
    --radius-lg: 1rem;
    --radius-md: 0.75rem;
    --spacing-xl: 2.5rem;
    --spacing-lg: 1.5rem;
    --spacing-md: 1rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(at 0% 0%, hsla(253, 16%, 7%, 1) 0, transparent 50%),
        radial-gradient(at 50% 0%, hsla(225, 39%, 30%, 1) 0, transparent 50%),
        radial-gradient(at 100% 0%, hsla(339, 49%, 30%, 1) 0, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.glass-panel {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff !important;
    /* Ensure white text is always visible */
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: none;
    /* Prevent uppercase from hiding text details */
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
    opacity: 1;
    /* Keep fully opaque to maintain contrast */
}

/* Global Button Styles for standard <button> and .button class */
button,
.button {
    font-family: inherit;
    color: #ffffff !important;
}

a {
    transition: var(--transition-fast);
}

a:hover {
    opacity: 0.8;
}

.input-modern {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    width: 100%;
    transition: var(--transition-fast);
}

.input-modern:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

h1,
h2,
h3 {
    letter-spacing: -0.025em;
    font-weight: 700;
}

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

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

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