:root {
    --bg-main: #0a0a0c;
    --bg-surface: #131316;
    --bg-card: rgba(255, 255, 255, 0.03);

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;

    --brand-blue: #3b82f6;
    --brand-orange: #f97316;
    --brand-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);

    --font-outfit: 'Outfit', sans-serif;

    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;

    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-outfit);
    margin: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    margin-top: 0;
    font-weight: 800;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header / Brand */
.brand {
    text-align: center;
    margin-bottom: 3rem;
}

.brand h1 {
    font-size: 2.5rem;
    background: var(--brand-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.brand p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Cards */
.card-glass {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.run-highlight {
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.run-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand-gradient);
}

.date-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--brand-blue);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.run-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
}

.detail-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.detail-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

input[type="text"] {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-primary {
    display: block;
    width: 100%;
    background: var(--brand-gradient);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s;
}

.btn-primary:active {
    transform: scale(0.98);
}

/* Lists */
.participant-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.participant-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.participant-item:last-child {
    border-bottom: none;
}

.participant-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Agenda Section */
.agenda-list {
    margin-top: 3rem;
}

.agenda-title {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.agenda-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-surface);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
}

.agenda-date {
    font-weight: 600;
}

.agenda-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Animation */
@keyframes pulse-subtle {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.2);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

.animate-pulse {
    animation: pulse-subtle 2s infinite;
}