@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #070B13;
    --card-bg: rgba(15, 22, 38, 0.7);
    --card-border: rgba(255, 255, 255, 0.07);
    --card-hover-border: rgba(0, 230, 118, 0.3);
    
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    --color-neon-green: #00E676; /* Electric Athletic Green */
    --color-neon-pink: #FF2E93;  /* Marathon Rose/Pink */
    --color-neon-cyan: #00E5FF;  /* Cross training Cyan */
    --color-neon-yellow: #FFD600;/* Warning/Highlights */
    --color-dark-surface: #121824;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --shadow-glow-green: 0 0 15px rgba(0, 230, 118, 0.2);
    --shadow-glow-pink: 0 0 15px rgba(255, 46, 147, 0.2);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 230, 118, 0.03) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(255, 46, 147, 0.03) 0%, transparent 40%);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-neon-green);
}

/* Main Layout Grid */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
    background-color: rgba(11, 16, 28, 0.95);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.brand-section {
    padding: 24px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 24px;
    color: var(--color-neon-green);
    text-shadow: var(--shadow-glow-green);
    font-weight: 800;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #FFFFFF, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-search {
    padding: 16px 24px 8px 24px;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    background-color: var(--color-dark-surface);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 10px 12px 10px 36px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    outline: none;
    transition: var(--transition-smooth);
}

.search-input:focus {
    border-color: var(--color-neon-green);
    box-shadow: var(--shadow-glow-green);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

.athletes-list-header {
    padding: 12px 24px 8px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.athletes-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 16px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Athlete Card Row */
.athlete-card {
    background-color: rgba(20, 28, 48, 0.4);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.athlete-card:hover {
    background-color: rgba(20, 28, 48, 0.8);
    border-color: var(--card-hover-border);
}

.athlete-card.active {
    background-color: rgba(0, 230, 118, 0.08);
    border-color: var(--color-neon-green);
    box-shadow: var(--shadow-glow-green);
}

.athlete-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--color-dark-surface);
    border: 2px solid var(--card-border);
    transition: var(--transition-smooth);
}

.athlete-card.active .athlete-avatar {
    border-color: var(--color-neon-green);
}

.athlete-card-info {
    flex: 1;
    min-width: 0;
}

.athlete-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.athlete-submeta {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

.athlete-finish-tag {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-neon-pink);
    font-size: 12px;
}

.compare-checkbox {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid var(--card-border);
    background-color: var(--color-dark-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    margin-left: 4px;
}

.compare-checkbox:hover {
    border-color: var(--color-neon-green);
}

.compare-checkbox.checked {
    background-color: var(--color-neon-green);
    border-color: var(--color-neon-green);
}

.compare-checkbox.checked::after {
    content: "✓";
    font-size: 10px;
    color: var(--bg-dark);
    font-weight: 900;
}

/* Main Dashboard Panel */
.dashboard-main {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.dashboard-header {
    background-color: rgba(11, 16, 28, 0.4);
    border-bottom: 1px solid var(--card-border);
    padding: 20px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.header-summary-stats {
    display: flex;
    gap: 32px;
}

.header-stat-box {
    display: flex;
    flex-direction: column;
}

.header-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.header-stat-val {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-neon-cyan);
}

.header-stat-val.marathon-val {
    color: var(--color-neon-pink);
    text-shadow: var(--shadow-glow-pink);
}

/* Scrollable Content Container */
.dashboard-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Alert Notification */
.alert-banner {
    background: linear-gradient(90deg, rgba(255, 46, 147, 0.15) 0%, rgba(15, 22, 38, 0.4) 100%);
    border: 1px solid var(--color-neon-pink);
    border-radius: 12px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.alert-icon {
    font-size: 20px;
    color: var(--color-neon-pink);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.alert-text {
    font-size: 13px;
    color: var(--text-primary);
}

.alert-link {
    color: var(--color-neon-pink);
    font-weight: 700;
    text-decoration: none;
    margin-left: 4px;
}

.alert-link:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-neon-green), var(--color-neon-pink));
}

.hero-profile-area {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-neon-green);
    box-shadow: var(--shadow-glow-green);
    background-color: var(--color-dark-surface);
}

.hero-info {
    display: flex;
    flex-direction: column;
}

.hero-name {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.hero-meta {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 16px;
}

.gender-badge {
    background-color: var(--color-dark-surface);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-neon-cyan);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.hero-marathon-area {
    display: flex;
    align-items: center;
    gap: 40px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 16px 28px;
}

.hero-marathon-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-marathon-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 6px;
}

.hero-marathon-val {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
}

.hero-marathon-val.finish-time {
    color: var(--color-neon-pink);
    text-shadow: var(--shadow-glow-pink);
}

.hero-marathon-val.finish-pace {
    color: var(--color-neon-green);
    text-shadow: var(--shadow-glow-green);
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.group-kpi-grid {
    grid-template-columns: repeat(4, 1fr) !important;
}

.kpi-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.kpi-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.kpi-icon {
    font-size: 16px;
    color: var(--text-secondary);
}

.kpi-value {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.kpi-value.green {
    color: var(--color-neon-green);
}

.kpi-value.cyan {
    color: var(--color-neon-cyan);
}

.kpi-subtext {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.chart-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-title i {
    color: var(--color-neon-green);
}

.chart-title.pink i {
    color: var(--color-neon-pink);
}

.chart-title.cyan i {
    color: var(--color-neon-cyan);
}

.chart-container {
    position: relative;
    width: 100%;
    height: 280px;
}

/* Details Table Card */
.details-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.table-filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.filter-pills {
    display: flex;
    gap: 8px;
}

.filter-pill {
    background-color: var(--color-dark-surface);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-pill:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.filter-pill.active {
    background-color: var(--color-neon-green);
    border-color: var(--color-neon-green);
    color: var(--bg-dark);
    font-weight: 700;
}

.filter-pill.active.pink {
    background-color: var(--color-neon-pink);
    border-color: var(--color-neon-pink);
}

.table-wrapper {
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--card-border);
    border-radius: 12px;
}

table.activities-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

table.activities-table th {
    background-color: var(--color-dark-surface);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 5;
    border-bottom: 1px solid var(--card-border);
}

table.activities-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-primary);
}

table.activities-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.activity-type-badge {
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
}

.activity-type-badge.run {
    background-color: rgba(0, 230, 118, 0.1);
    color: var(--color-neon-green);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.activity-type-badge.ride {
    background-color: rgba(0, 229, 255, 0.1);
    color: var(--color-neon-cyan);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.activity-type-badge.other {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
}

/* Comparison Dashboard Overlays */
.compare-dashboard-view {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.compare-athlete-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    backdrop-filter: blur(12px);
    border-top: 4px solid var(--color-neon-cyan);
}

.compare-athlete-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.compare-athlete-header img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.compare-athlete-name {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
}

.compare-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.compare-stat-row:last-child {
    border-bottom: none;
}

.compare-stat-label {
    color: var(--text-secondary);
}

.compare-stat-val {
    font-weight: 700;
}

.compare-stat-val.pink {
    color: var(--color-neon-pink);
}

.compare-stat-val.green {
    color: var(--color-neon-green);
}

.close-compare-btn {
    background-color: var(--color-neon-pink);
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: var(--bg-dark);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.close-compare-btn:hover {
    box-shadow: var(--shadow-glow-pink);
    transform: translateY(-1px);
}

/* Tab Navigation Buttons */
.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    padding: 16px 4px;
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}

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

.tab-btn.active {
    color: var(--color-neon-green);
    text-shadow: var(--shadow-glow-green);
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-neon-green);
    box-shadow: var(--shadow-glow-green);
}