:root {
    --primary: #e30a17;
    --accent: #ffffff;
    --bg-dark: #0a0a0a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(227, 10, 23, 0.2);
    --grad-start: #110000;
    --grad-mid: #220000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-dark);
    color: var(--accent);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.background-anim {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: radial-gradient(circle at 50% 50%, var(--grad-start) 0%, var(--grad-mid) 50%, var(--bg-dark) 100%);
    z-index: -1;
    opacity: 0.8;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Header & Footer */
.main-header {
    text-align: center;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 0 0 24px 24px;
    border-top: none;
    border-left: none;
    border-right: none;
}
.main-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(45deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.main-header p {
    font-weight: 300;
    opacity: 0.8;
    margin-top: 0.5rem;
}

.main-footer {
    text-align: center;
    padding: 1rem;
    margin-top: auto;
    font-size: 0.9rem;
    opacity: 0.7;
    border-radius: 24px 24px 0 0;
    border-bottom: none;
    border-left: none;
    border-right: none;
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    width: 90%;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.nav-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--accent);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
}
.nav-btn:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}
.nav-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

.content-area {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto 2rem auto;
}

.tab-content {
    display: none;
    padding: 2rem;
    animation: fadeIn 0.4s ease-out;
}
.tab-content.active {
    display: block;
}
.tab-content h2 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    text-align: center;
    font-size: 1.8rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Match Cards */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}
.match-card {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}
.match-card:hover {
    transform: scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}
.match-time {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.teams {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 600;
}
.score {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    background: rgba(0,0,0,0.5);
    padding: 0.2rem 1rem;
    border-radius: 8px;
}
.clickable-team {
    cursor: pointer;
    transition: color 0.2s;
}
.clickable-team:hover {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary);
}

/* Groups */
.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}
.group-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
.group-table th, .group-table td {
    padding: 0.8rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.group-table th {
    color: var(--primary);
    font-weight: 600;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0; top: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}
.modal-content {
    margin: 15% auto;
    padding: 2rem;
    width: 80%;
    max-width: 500px;
    text-align: center;
}
.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.close-btn:hover { color: white; }

/* Team View Specifics */
.team-header-section {
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}
.team-header-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.team-flag-large {
    width: 120px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}
.team-header-info h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}
.team-split-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}
.team-split-grid section {
    padding: 1.5rem;
}
.team-split-grid h3 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--primary);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}
/* Calendar View */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    padding: 1rem;
}

.calendar-day {
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s;
}

.calendar-day:hover {
    background: rgba(227, 10, 23, 0.2);
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(227, 10, 23, 0.3);
}

.cal-date {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.cal-count {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 0.5rem;
    color: var(--primary);
    font-weight: 600;
}
/* Match vCard Tooltip */
.match-card {
    position: relative;
}
.match-vcard {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid var(--primary);
    padding: 1rem;
    border-radius: 8px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    width: max-content;
    pointer-events: none;
    box-shadow: 0 10px 25px rgba(227, 10, 23, 0.4);
    text-align: left;
    color: var(--text);
}
.score-container:hover .match-vcard {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -10px);
}