:root {
    /* สีหลักของระบบ ตรงชื่อกับ ipadnanoi เพื่อให้ CSS pattern เดียวกันทำงานได้ทันที */
    --navy: #0d2137;
    --navy-light: #1565C0;
    --navy-mid: #16324a;
    --navy-500: #1f4868;
    --sky-light: #e3f2fd;

    --accent: #2e86ab;
    --accent-blue: #29b6f6;
    --accent-blue-deep: #1565C0;
    --bg-soft: #f4f7fa;
}

* { font-family: 'Sarabun', sans-serif; }
h1, h2, h3, h4, h5, h6, .navbar-brand { font-family: 'Kanit', sans-serif; }

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

.main-content { flex: 1; }

.navbar-main {
    background-color: var(--navy) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.navbar-main .nav-link,
.navbar-main .navbar-brand { color: #ffffff !important; }
.navbar-main .nav-link.active { color: #ffd166 !important; font-weight: 600; }
.navbar-main .nav-link:hover { color: #ffd166 !important; }

.footer-main {
    background-color: var(--navy);
    color: rgba(255,255,255,0.7);
}

.card-stat {
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--navy-mid), var(--navy-500));
    color: #fff;
    box-shadow: 0 4px 14px rgba(13,33,55,0.25);
    transition: box-shadow .2s;
}
.card-stat:hover { box-shadow: 0 6px 20px rgba(13,33,55,0.35); }
.card-stat .stat-number { font-size: 2.2rem; font-weight: 700; font-family: 'Kanit', sans-serif; }
.card-stat .stat-label { opacity: 0.85; font-size: 0.9rem; }

.card { border-radius: 12px; border: 1px solid rgba(0,0,0,0.06); }

.btn-navy {
    background-color: var(--navy);
    border-color: var(--navy);
    color: #fff;
}
.btn-navy:hover { background-color: var(--navy-mid); border-color: var(--navy-mid); color: #fff; }

/* ============================================================
   bg-navy / text-navy ตามสไตล์ ipadnanoi
   หมายเหตุสำคัญ: ต้องเขียน .card-header.bg-navy (selector คู่กัน)
   เพราะ Bootstrap กำหนด .card-header ด้วย specificity เท่ากันแต่โหลดทีหลัง
   ถ้าเขียนแค่ .bg-navy เดี่ยว ๆ Bootstrap จะชนะและสีจะไม่ขึ้น
   ============================================================ */
.bg-navy { background-color: var(--navy) !important; }
.text-navy { color: var(--navy) !important; }
.card-header.bg-navy { background-color: var(--navy) !important; color: #fff; }

.stat-card { transition: box-shadow .2s; }
.stat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.12) !important; }

.device-check-card {
    border: 1.5px solid #dee2e6;
    border-radius: 10px;
    padding: 12px 14px;
    cursor: pointer;
    transition: all .2s;
    background: #fff;
    user-select: none;
}
.device-check-card:hover {
    border-color: var(--navy-light);
    background: var(--sky-light);
}
.device-check-card.checked {
    border-color: var(--navy);
    background: var(--sky-light);
    color: var(--navy);
}

.teacher-photo {
    width: 140px; height: 140px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.permission-module-title {
    background-color: var(--bg-soft);
    padding: .5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    color: var(--navy);
}

/* ============================================================
   Badge สีตามระดับรางวัล (6 ระดับ)
   ใช้ text สีเข้มบนพื้นอ่อนเพื่อความอ่านง่ายและสอดคล้องกับ accessibility

   หมายเหตุสำคัญ: ต้องเขียน .badge.badge-level-xxx (selector คู่กัน)
   เพราะ Bootstrap 5.3 กำหนด color ของ .badge ผ่าน CSS variable
   (--bs-badge-color: #fff) ตรงบน .badge เอง ถ้าเขียนแค่ .badge-level-xxx
   เดี่ยว ๆ ตัวอักษรจะกลายเป็นสีขาวบนพื้นอ่อนจนมองไม่เห็นข้อความเลย
   ============================================================ */
.badge.badge-level-school        { background-color: #e3f6e8; color: #1e7d3a; }
.badge.badge-level-district      { background-color: #e3f0fc; color: #0b5fb0; }
.badge.badge-level-province      { background-color: #f1e7fb; color: #6c2bd9; }
.badge.badge-level-region        { background-color: #fde6f1; color: #c21f72; }
.badge.badge-level-national      { background-color: #ffe9d6; color: #c2570a; }
.badge.badge-level-international { background-color: #fde2e1; color: #c5221f; }

.badge-overridden { background-color: #e76f51; }

.search-bar-card {
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}

/* ============================================================
   ตารางผลงาน/รางวัล — กำหนด width % ตายตัวให้คอลัมน์ตรงกันทุกตาราง
   (ด้านนักเรียน, ด้านตนเอง, ด้านสถานศึกษา) ไม่ขึ้นกับจำนวนตัวอักษร
   ============================================================ */
.table-fixed-portfolio {
    table-layout: fixed;
    width: 100%;
}
.table-fixed-portfolio td,
.table-fixed-portfolio th {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.table-fixed-portfolio td:hover {
    overflow: visible;
    white-space: normal;
}

/* ============================================================
   Login Page — Split Layout (ตามสไตล์ ipadnanoi)
   ซ้าย: hero panel สี navy พร้อมไอคอน/feature/stat
   ขวา: ฟอร์ม login พื้นขาว
   ============================================================ */
.lp-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a2a4a, #1e3a5f, #16304d);
    padding: 24px;
}

.lp-card {
    display: flex;
    width: 100%;
    max-width: 920px;
    min-height: 560px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    background: #fff;
}

.lp-left {
    width: 44%;
    background: var(--navy);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
}
.lp-left::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: rgba(41,182,246,0.08);
}
.lp-left::after {
    content: '';
    position: absolute;
    bottom: -40px; left: -40px;
    width: 160px; height: 160px;
    border-radius: 50%;
    background: rgba(41,182,246,0.06);
}

.lp-icon-wrap {
    width: 84px; height: 84px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--accent-blue-deep), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    box-shadow: 0 8px 20px rgba(21,101,192,0.35);
    position: relative;
    z-index: 1;
}
.lp-icon-wrap i { font-size: 40px; color: #fff; }

.lp-brand {
    color: #fff;
    font-size: 19px;
    font-weight: 600;
    text-align: center;
    line-height: 1.5;
    margin-bottom: 6px;
    font-family: 'Kanit', sans-serif;
    position: relative; z-index: 1;
}
.lp-school {
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    text-align: center;
    margin-bottom: 30px;
    position: relative; z-index: 1;
}

.lp-feature-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 26px;
    position: relative; z-index: 1;
}
.lp-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 12px 14px;
}
.lp-feature i {
    font-size: 18px;
    color: var(--accent-blue);
    flex-shrink: 0;
}
.lp-feature-text {
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    line-height: 1.4;
}
.lp-feature-text strong { color: #fff; font-weight: 600; }

.lp-stat-row {
    display: flex;
    gap: 14px;
    width: 100%;
    position: relative; z-index: 1;
}
.lp-stat {
    background: rgba(255,255,255,0.07);
    border-radius: 10px;
    padding: 12px 10px;
    text-align: center;
    flex: 1;
}
.lp-stat-num {
    color: var(--accent-blue);
    font-size: 20px;
    font-weight: 700;
    font-family: 'Kanit', sans-serif;
}
.lp-stat-label {
    color: rgba(255,255,255,0.5);
    font-size: 10.5px;
    margin-top: 2px;
}

.lp-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px 44px;
    background: #fff;
}

.lp-welcome-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
    font-family: 'Kanit', sans-serif;
    margin-bottom: 4px;
}
.lp-welcome-sub {
    color: #8a93a3;
    font-size: 14px;
    margin-bottom: 28px;
}

.lp-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 6px;
    display: block;
}

.lp-ig {
    position: relative;
    margin-bottom: 18px;
}
.lp-ig-icon {
    position: absolute;
    left: 14px; top: 50%;
    transform: translateY(-50%);
    color: #aab3c0;
    display: flex;
    align-items: center;
}
.lp-input {
    width: 100%;
    height: 46px;
    padding: 0 14px 0 42px;
    border: 1.5px solid #e6e9ee;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Sarabun', sans-serif;
    color: var(--navy);
    background: #f8fafc;
    transition: border-color .15s, background .15s;
}
.lp-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: #fff;
}
.lp-eye {
    position: absolute;
    right: 12px; top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #aab3c0;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 4px;
}
.lp-eye:hover { color: var(--navy-mid); }

.lp-btn {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-blue-deep), var(--accent-blue));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Sarabun', sans-serif;
    cursor: pointer;
    transition: opacity .15s, transform .1s;
    margin-bottom: 18px;
}
.lp-btn:hover { opacity: 0.92; }
.lp-btn:active { transform: scale(0.99); }

.lp-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #9aa3ad;
    font-size: 12.5px;
    margin-bottom: 22px;
}

.lp-div {
    position: relative;
    text-align: center;
    margin-bottom: 18px;
}
.lp-div::before {
    content: '';
    position: absolute;
    top: 50%; left: 0; right: 0;
    height: 1px;
    background: #eef1f4;
}
.lp-div span {
    position: relative;
    background: #fff;
    padding: 0 12px;
    color: #c2c8d1;
    font-size: 11.5px;
}

.lp-foot {
    text-align: center;
    color: #c2c8d1;
    font-size: 11.5px;
    letter-spacing: 0.5px;
}

.lp-alert {
    background: #fdecec;
    border: 1px solid #f5c6c6;
    color: #b3261e;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (max-width: 768px) {
    .lp-card { flex-direction: column; max-width: 460px; min-height: auto; }
    .lp-left { width: 100%; padding: 32px 24px; }
    .lp-feature-list { display: none; }
    .lp-right { padding: 36px 28px; }
}