@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-color: #f1f5f9;
    --container-bg: #ffffff;
    --primary-color: #1e3a8a;
    --header-bg: #1e3a8a;
    --header-text: #ffffff;
    --border-color: #94a3b8;
    --hover-bg: #f1f5f9;
    --break-bg: #fef08a;
    --break-text: #854d0e;
    --text-color: #0f172a;
    --text-muted: #475569;
    --control-bg: #f8fafc;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --transition-speed: 0.1s;
}

body.dark-theme {
    --bg-color: #0f172a;
    --container-bg: #1e293b;
    --primary-color: #38bdf8;
    --header-bg: #1e3a8a;
    --header-text: #f8fafc;
    --border-color: #475569;
    --hover-bg: #334155;
    --break-bg: #3f3f2e;
    --break-text: #eab308;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --control-bg: #1e293b;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    line-height: 1.5;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.container {
    max-width: 1400px;
    margin: auto;
    background-color: var(--container-bg);
    padding: 25px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.header {
    text-align: center;
    margin-bottom: 25px;
    border-bottom: 4px double var(--border-color);
    padding-bottom: 15px;
}

.header h1 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
}

.header p {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.controls {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--control-bg);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    flex-wrap: wrap;
    align-items: center;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 250px;
}

.control-group label {
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
}

.control-group select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    font-size: 13px;
    font-family: var(--font-family);
    background-color: var(--container-bg);
    color: var(--text-color);
    width: 100%;
    box-sizing: border-box;
    cursor: pointer;
}

.theme-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    background-color: var(--container-bg);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-color);
    margin-top: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    table-layout: fixed;
}

caption {
    font-size: 16px;
    font-weight: 700;
    padding: 8px 0;
    caption-side: top;
    text-align: left;
    text-transform: uppercase;
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
    margin-bottom: 10px;
}

th, td {
    border: 1px solid var(--border-color);
    padding: 10px 8px;
    text-align: center;
    vertical-align: middle;
}

thead th {
    background-color: var(--header-bg);
    color: var(--header-text);
    font-weight: 700;
    text-transform: uppercase;
}

tbody th { background-color: var(--control-bg); font-weight: 700; }
tbody td[data-code] { font-weight: 600; }
tbody td[data-code]:hover { background-color: var(--hover-bg); cursor: pointer; }

.break-row td {
    background-color: var(--break-bg);
    color: var(--break-text);
    font-weight: 700;
    font-style: italic;
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
}

.tooltip {
    position: absolute;
    padding: 8px 12px;
    background-color: #0f172a;
    color: #ffffff;
    border: 1px solid #334155;
    border-radius: 2px;
    font-size: 12px;
    z-index: 1000;
    pointer-events: none;
    display: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
body.dark-theme .tooltip { background-color: #1e293b; border: 1px solid #475569; }

.footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}
.footer a { color: var(--text-muted); text-decoration: underline; }

.break-card {
    background-color: var(--break-bg);
    color: var(--break-text);
    font-weight: bold;
    font-style: italic;
    text-align: center;
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 2px;
    margin: 6px 0;
}

.schedule-cards { display: none; }

@media (max-width: 768px) {
    body { padding: 10px; }
    .container { padding: 15px; }
    
    table { table-layout: auto !important; }
    th, td { padding: 6px 4px !important; font-size: 10px !important; }
    thead th { font-size: 10px !important; }
    
    .class-view-table th:nth-child(1) { width: 50px !important; } 
    .class-view-table th:nth-child(2) { width: 30px !important; } 
    .class-view-table th:nth-child(3) { width: 75px !important; } 
    .piket-table th:nth-child(1) { width: 80px !important; } 
    
    .header h1 { font-size: 16px; }
    .controls { flex-direction: column; align-items: stretch; gap: 6px; padding: 8px; }
    .control-group { flex-direction: column; align-items: stretch; gap: 2px; flex: none; }
    .control-group select { width: 100%; }
    
    #schedule-container table.day-view-table { display: none; }
    .schedule-cards { display: grid; grid-template-columns: 1fr; gap: 15px; margin-top: 15px; }
    
    .class-card {
        background-color: var(--container-bg);
        border: 1px solid var(--border-color);
        padding: 12px;
    }
    .class-card h3 {
        margin: 0 0 10px 0;
        color: var(--primary-color);
        border-bottom: 2px solid var(--primary-color);
        padding-bottom: 4px;
        font-size: 14px;
    }
    .card-period {
        display: flex;
        justify-content: space-between;
        padding: 6px 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 12px;
    }
    .card-period:last-child { border-bottom: none; }
    .card-period-subject { font-weight: 700; text-align: right; display: flex; flex-direction: column; }
    .card-period-teacher { font-size: 10px; color: var(--text-muted); font-weight: 400; }
    
    .tooltip { display: none !important; }
}

@keyframes dodge {
    0% { transform: translateX(0); opacity: 1; }
    100% { transform: translateX(300px); opacity: 0; }
}
@keyframes shake {
    0%, 100% { transform: translate(0); }
    10% { transform: translate(-10px, -5px); }
    20% { transform: translate(10px, 5px); }
    30% { transform: translate(-10px, 3px); }
    40% { transform: translate(10px, -3px); }
    50% { transform: translate(-5px, 5px); }
    60% { transform: translate(5px, -5px); }
    70% { transform: translate(-3px, 3px); }
    80% { transform: translate(3px, -3px); }
    90% { transform: translate(-5px, 5px); }
}
@keyframes hit-flash {
    0% { opacity: 0; }
    10% { opacity: 0.5; }
    100% { opacity: 0; }
}
.hit-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(255, 0, 0, 0.3);
    pointer-events: none; animation: hit-flash 0.8s ease-out forwards;
}
.title-dodge h1 { animation: dodge 0.6s ease-in forwards; }
.hit-shake { animation: shake 0.8s ease-in-out; }