:root {
    /* Premium Midnight Palette */
    --slate-bg: #020617;
    /* Slate 950 */
    --slate-surface: #0f172a;
    /* Slate 900 */
    --slate-panel: rgba(30, 41, 59, 0.6);
    /* Slate 800 with opacity */
    --slate-border: rgba(148, 163, 184, 0.1);
    /* Slate 400 with low opacity */

    /* Brand Colors */
    --brand-primary: #6366f1;
    /* Indigo 500 */
    --brand-secondary: #8b5cf6;
    /* Violet 500 */
    --brand-accent: #f59e0b;
    /* Amber 500 */
    --brand-success: #10b981;
    /* Emerald 500 */
    --brand-danger: #ef4444;
    /* Red 500 */

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-dark: linear-gradient(to bottom, #020617, #0f172a);
    --gradient-glow: radial-gradient(circle at top center, rgba(99, 102, 241, 0.15), transparent 40%);

    /* Typography */
    --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Glassmorphism */
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --backdrop-blur: blur(16px);

    /* Animation */
    --ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
}

body {
    font-family: var(--font-body);
    background-color: var(--slate-bg);
    background-image:
        var(--gradient-glow),
        radial-gradient(circle at 85% 30%, rgba(245, 158, 11, 0.08), transparent 25%);
    background-attachment: fixed;
    color: #f8fafc;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6,
.display-font {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism Components */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.navbar {
    background: rgba(2, 6, 23, 0.8) !important;
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s var(--ease-out-quart);
}

.navbar.scrolled {
    background: rgba(2, 6, 23, 0.95) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.card {
    background: var(--slate-panel);
    border: 1px solid var(--slate-border);
    border-radius: 1rem;
    backdrop-filter: blur(12px);
    transition: all 0.4s var(--ease-out-quart);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(99, 102, 241, 0.3);
}

.card:hover::before {
    opacity: 1;
}

.sidebar-panel {
    transition: box-shadow 0.3s ease;
}

.sidebar-panel:hover {
    transform: none;
    box-shadow: var(--glass-shadow);
    border-color: var(--slate-border);
}

.sidebar-panel .list-group-item-action {
    transition: transform 0.2s var(--ease-out-quart), background-color 0.2s ease, border-color 0.2s ease;
}

.sidebar-panel .list-group-item-action:hover {
    transform: translateX(4px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
}

.card__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-accent);
    margin-bottom: 0.5rem;
}

.card__title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.card__text {
    color: #94a3b8;
    line-height: 1.6;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: -1;
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
    color: white;
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #e2e8f0;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    position: relative;
}

.hero__title {
    font-size: clamp(3rem, 5vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero__text {
    font-size: 1.25rem;
    color: #cbd5e1;
    max-width: 600px;
    margin-bottom: 2rem;
}

.hero__eyebrow {
    font-family: var(--font-display);
    color: var(--brand-primary);
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.card-grid-featured {
    display: grid;
    grid-template-columns: repeat(0, minmax(300px, 1fr));
    gap: 2rem;
}

@media (min-width: 992px) {
    .card-grid-featured {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Forms */
.form-control,
.form-input {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 0.75rem 1rem;
}

.form-control:focus,
.form-input:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    color: #fff;
}

.form-fieldset {
    border: 1px solid var(--slate-border);
    border-radius: 1rem;
    padding: 1.5rem 1.25rem;
    margin: 0;
    background: rgba(255, 255, 255, 0.02);
}

.form-fieldset legend {
    padding: 0 0.5rem;
    font-weight: 700;
    color: #e2e8f0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
}

.bs-component .form-label {
    color: #cbd5e1;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.bs-component small.form-text {
    color: #94a3b8;
}

/* Footer */
footer {
    background: #020617;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Utilities */
.tracking-wide {
    letter-spacing: 0.1em;
}

.shadow-glow {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
}

/* Flash Messages / Toasts */
.flash-messages-container {
    position: fixed;
    top: 90px;
    /* Height of navbar + gap */
    right: 20px;
    z-index: 1050;
    /* Above navbar (1030) and other content */
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    pointer-events: none;
    /* Let clicks pass through container */
}

.flash-messages-container .alert {
    pointer-events: auto;
    /* Re-enable clicks on alerts */
    margin-bottom: 0;
    animation: slideInRight 0.4s var(--ease-out-quart);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

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

.alert-glass {
    background: rgba(15, 23, 42, 0.85);
    /* Slightly more opaque for readability */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    color: #e2e8f0;
    border-left: 4px solid var(--brand-primary);
    border-radius: 0.75rem;
}

.alert-glass.alert-success {
    border-left-color: var(--brand-success);
}

.alert-glass.alert-danger {
    border-left-color: var(--brand-danger);
}

.alert-glass.alert-warning {
    border-left-color: var(--brand-accent);
}

.alert-glass.alert-info {
    border-left-color: var(--brand-primary);
}

.alert-glass .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.7;
    transition: opacity 0.2s;
}

.alert-glass .btn-close:hover {
    opacity: 1;
}

/* Organic Form Styles */
.organic-form .form-control,
.organic-form .form-input,
.organic-form .form-select {
    border-radius: 2rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}
.form-select {
    color:#fff;
    font-weight:600;
    background-color:#1f2735;
}
.tournament-select,
.organic-form .tournament-select {
    background-color: #0f1724;
    color: #e6edf5;
    border-color: rgba(255, 255, 255, 0.15);
}
.tournament-select option {
    background-color: #0b1220;
    color: #e6edf5;
}
.organic-form .form-select:focus{
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-color: var(--brand-primary);
}

.organic-form .form-control:focus,
.organic-form .form-input:focus {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-color: var(--brand-primary);
}

.organic-form textarea.form-control,
.organic-form textarea.form-input
 {
    border-radius: 1.5rem;
    min-height: 3rem;
    max-height: 100px;
    /* Approx 3 lines */
    resize: none;
}

.organic-form label {
    margin-left: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #94a3b8;
}