/* ===== CSS Variables & Design Tokens ===== */
:root {
    /* Colors - Unified with main styles */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);

    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: rgba(30, 30, 50, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-input: rgba(15, 23, 42, 0.5);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    --accent-color: #667eea;
    --success-color: #10b981;
    --pending-color: #f59e0b;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(102, 126, 234, 0.5);

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
}

/* ===== Reset & Base Styles ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(240, 147, 251, 0.05) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

#progress-bar-container {
    width: 100%;
    height: 1rem;
    background: var(--bg-glass);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-md);
    overflow: hidden;
}

#progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width 0.5s ease-out;
}

.states-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.state-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.state-card:hover {
    transform: translateY(-2px);
    background: rgba(40, 50, 70, 0.8);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.state-code {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-secondary);
    opacity: 0.3;
}

.state-name {
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 0.5rem;
    z-index: 1;
}

.status-badge {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-weight: 600;
    z-index: 1;
}

.state-card.completed {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.state-card.completed .state-code {
    color: var(--success-color);
    opacity: 0.2;
}

.state-card.completed .status-badge {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.state-card.planned {
    border-color: var(--pending-color);
    background: rgba(245, 158, 11, 0.1);
}

.state-card.planned .state-code {
    color: var(--pending-color);
    opacity: 0.2;
}

.state-card.planned .status-badge {
    background: rgba(245, 158, 11, 0.2);
    color: var(--pending-color);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    width: 80%;
    max-width: 500px;
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    padding: var(--spacing-sm);
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--text-primary);
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input,
select,
textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-glow);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.btn-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    flex: 1;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.5);
}

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

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

.hidden {
    display: none;
}

/* Marathon Options List */
.marathon-options-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
}

.marathon-option {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.marathon-option:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--border-glow);
    transform: translateX(4px);
}

.marathon-option-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.marathon-option-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.marathon-option-rank {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.marathon-option-city {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.marathon-option-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.marathon-option-tag {
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.marathon-option-tag.course-type {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.marathon-option-tag.finishers {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
}

.marathon-option-tag.elevation {
    background: rgba(245, 158, 11, 0.1);
    color: #fbbf24;
}