:root {
    /* Color Palette - Athletic & Professional */
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --accent-primary: #0F172A;
    /* Athletic Navy */
    --accent-red: #EF4444;
    /* Track Red */
    --accent-gold: #F59E0B;
    --border-color: #E2E8F0;
    --row-hover: #F1F5F9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --line-height: 1.25;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: var(--line-height);
    font-size: 14px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Splash Screen with Athletic Energy */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-primary);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s ease-out, visibility 0.5s;
}

#splash-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.splash-content {
    text-align: center;
}

.splash-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.splash-subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-top: 2rem;
    overflow: hidden;
}

.loading-progress {
    width: 0%;
    height: 100%;
    background: var(--accent-red);
    animation: loading 2s infinite ease-in-out;
}

@keyframes loading {
    0% {
        width: 0%;
        left: 0;
    }

    50% {
        width: 100%;
        left: 0;
    }

    100% {
        width: 0%;
        left: 100%;
    }
}

/* Header & Dashboard Layout */
header {
    background-color: var(--accent-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.header-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.event-details {
    font-size: 0.85rem;
    color: #94a3b8;
}

/* Compact Filter Bar */
.filter-controls {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.5rem;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 20;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.column-filter {
    width: 100%;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}

.column-filter:focus {
    border-color: var(--accent-red);
}

/* Main Table Content - Full Height */
.main-wrapper {
    flex: 1;
    overflow: auto;
    position: relative;
    background-color: var(--bg-primary);
}

#report-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-variant-numeric: tabular-nums;
}

#report-table thead {
    position: sticky;
    top: 41px;
    /* Height of filter-controls */
    z-index: 10;
    background-color: var(--bg-secondary);
}

#report-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    background-color: var(--bg-secondary);
}

.sort-target span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    margin-bottom: 0.25rem;
}

.sort-icon {
    opacity: 0.3;
    transition: opacity 0.2s;
}

.sort-icon.active {
    opacity: 1;
    color: var(--accent-red);
}

#report-table td {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    transition: background-color 0.1s;
    white-space: nowrap;
    font-weight: 500;
}

#report-table tr:hover td {
    background-color: var(--row-hover);
}

/* Specialized Column Styling */
.td-when {
    color: var(--accent-red);
    font-weight: 700 !important;
}

.td-event {
    color: var(--accent-primary);
    font-weight: 700 !important;
}

/* Specific Column Widths */
.td-last-name,
.th-last-name,
.td-first-name,
.th-first-name {
    width: 6%;
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.td-when,
.th-when,
.td-age-group,
.th-age-group,
.td-event,
.th-event {
    width: 1%;
    /* Shrink to fit content */
    white-space: nowrap;
}

.td-team-name,
.th-team-name {
    width: 8%;
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.td-result,
.th-result {
    color: var(--accent-gold);
    font-weight: 700 !important;
}

.btn-profile {
    background-color: var(--accent-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: background-color 0.2s;
}

.btn-profile:hover {
    background-color: var(--accent-red);
}

/* Responsive Overrides */
@media (max-width: 768px) {
    body {
        font-size: 13px;
    }

    #report-table th,
    #report-table td {
        padding: 0.5rem 0.75rem;
    }

    .filter-controls {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.5rem 1rem;
    }

    .header-title {
        font-size: 1.1rem;
    }

    .filter-controls {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar Styling for a premium feel */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}