/*
Author: Ville Heikkiniemi
Date: 2025-10-06
*/
/*
    Modified: Markus Paananen
    Date: 2025-10-31
*/


/* COLOR GUIDELINES
   - Page background: very light gray (#f6f8fb)
   - Main text: dark gray (#1f2937)
   - Header background: deep blue (#273e73), text white
   - Table header row: same deep blue, text white
   - Table rows: alternate white (#fff) / light blue (#eef3ff)
   - Borders: light gray (#d0d7e2)
*/

:root {
    --base-size: 1rem;
    --h1-size: 1.6rem;

    --page-bg: #f6f8fb;
    --text: #1f2937;
    --brand: #273e73;
    --table-alt: #eef3ff;
    --border: #d0d7e2;

    --radius: 8px;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-size: var(--base-size);
}

/* Header */
.site-header {
    padding-top: 2rem;
    padding-bottom: 1rem;
    background: var(--brand);
    color: #fff;
}

.site-header h1 {
    font-size: var(--h1-size);
    margin: 0;
    text-align: center;
}

/* Content container with side margins */
.content {
    margin-left: 15%;
    margin-right: 15%;
    padding-top: 1rem;
    padding-bottom: 2rem;
}

/* --- NEW: top row split (50% + 50%) --- */
.top-grid {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.student-info,
.controls {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.student-info {
    flex: 1 1 30%;
}

.controls {
    flex: 1 1 70%;
}

.student-info p {
    margin: 0;
}

.student-info p+p {
    margin-top: 0.5rem;
}

.controls-title,
.student-info-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.form-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin: 0.5rem 0;
}

.form-row input[type="text"] {
    flex: 1 1 auto;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.days-group {
    margin: 0.5rem 0 0.75rem;
    border: 1px dashed var(--border);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.days-group legend {
    padding: 0 0.25rem;
    font-weight: 600;
    color: #334155;
}

.btn {
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #f8fafc;
    cursor: pointer;
}

.btn:hover {
    background: #eef2f7;
}

.btn-secondary {
    background: #ffffff;
}

/* Table container */
.table-wrap {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    overflow-x: auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}

/* Header cells */
.table thead th {
    background: var(--brand);
    color: #fff;
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* Body cells */
.table tbody td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* Alternate row color */
.table tbody tr:nth-child(even) {
    background: var(--table-alt);
}

/* Column widths: 40% + 12%*5 = 100% */
.table thead th:nth-child(1),
.table tbody td:nth-child(1) {
    width: 40%;
}

.table thead th:nth-child(n+2),
.table tbody td:nth-child(n+2) {
    width: 12%;
    text-align: center;
}

/* Small screens: stack the top blocks */
@media (max-width: 860px) {
    .content {
        margin-left: 5%;
        margin-right: 5%;
    }

    .top-grid {
        flex-direction: column;
    }
}

/* ≤ 768px: margins 5% */
@media (max-width: 768px) {
    .content {
        margin-left: 5%;
        margin-right: 5%;
    }

    .site-header,
    .intro,
    .other-content {
        display: none;
    }

    .student-info,
    .table-wrap {
        display: block;
    }
}

/* ≤ 640px: margins 1%, show only the table */
@media (max-width: 640px) {
    .content {
        margin-left: 1%;
        margin-right: 1%;
    }

    .student-info {
        display: none;
    }
}


:root {
    --page-bg: #fcfdfc;
    --text: #2a2a2a;
    --brand: #6c4f8d;
    --table-alt: #f9f5ff;
    --border: #e0e0e0;
}