* {
    box-sizing: border-box;
}

:root {
    --maroon: #0d3b7a;
    --maroon-dark: #082a59;
    --maroon-soft: #1e5bb8;
    --gold: #fff200;
    --gold-deep: #f4c400;
    --gold-soft: #fffbd1;
    --logo-red: #ff1616;
    --logo-orange: #ff6a00;
    --ink: #111827;
    --muted: #667085;
    --line: #dce6f5;
    --panel: rgba(255, 255, 255, 0.88);
    --panel-strong: #ffffff;
    --soft: #eef4fc;
    --success: #0f7a4d;
    --danger: #d91818;
    --warning: #9b5b05;
    --info: #245ea8;
    --shadow: 0 18px 44px rgba(8, 42, 89, 0.10);
    --shadow-strong: 0 28px 70px rgba(8, 42, 89, 0.22);
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at 18% 0%, rgba(255, 242, 0, 0.16), transparent 34%),
        radial-gradient(circle at 92% 12%, rgba(13, 59, 122, 0.14), transparent 30%),
        linear-gradient(180deg, #f7faff 0%, #eaf1fb 100%);
    color: var(--ink);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(13, 59, 122, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13, 59, 122, 0.045) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.78), transparent 78%);
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    position: relative;
    width: min(1220px, calc(100% - 28px));
    margin: 22px auto 48px;
}

.header,
.brand-header {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 22px;
    min-height: 310px;
    padding: 34px;
    margin-bottom: 16px;
    color: #fff;
    background:
        radial-gradient(circle at 86% 18%, rgba(255, 242, 0, 0.20), transparent 28%),
        linear-gradient(90deg, rgba(8, 42, 89, 0.96) 0%, rgba(18, 75, 150, 0.86) 42%, rgba(18, 75, 150, 0.44) 67%, rgba(18, 75, 150, 0.08) 100%),
        url("../img/unila-campus-hero.jpg") center / cover no-repeat,
        linear-gradient(135deg, var(--maroon-dark), var(--maroon));
    border: 1px solid rgba(255, 242, 0, 0.42);
    border-radius: 14px;
    box-shadow: var(--shadow-strong);
}

.header::after,
.brand-header::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 5px;
    background: linear-gradient(90deg, var(--gold), var(--logo-red), rgba(255, 255, 255, 0.42), transparent);
    border: 0;
    transform: none;
}

.brand-header > div:last-child,
.header > div:last-child {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.brand-header::before,
.header::before {
    content: "";
    position: absolute;
    right: 34px;
    bottom: 18px;
    width: min(260px, 28vw);
    aspect-ratio: 1;
    background: url("../img/logo-unila.png") center / contain no-repeat;
    opacity: 0.12;
    filter: drop-shadow(0 16px 24px rgba(0, 0, 0, 0.22));
    pointer-events: none;
}

.header h1,
.brand-header h1 {
    position: relative;
    z-index: 1;
    margin: 0;
    font-size: clamp(31px, 4vw, 54px);
    line-height: 1.02;
    letter-spacing: 0;
    text-wrap: balance;
}

.header p,
.brand-header p {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 12px 0 0;
    color: rgba(255, 255, 255, 0.90);
    font-size: clamp(15px, 1.6vw, 18px);
    line-height: 1.55;
}

.brand-logo {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 78px;
    height: 78px;
    overflow: visible;
    color: var(--maroon-dark);
    font-weight: 800;
    background:
        linear-gradient(135deg, #ffffff, #fffce3);
    border: 3px solid var(--gold);
    border-radius: 50%;
    box-shadow: 0 14px 30px rgba(8, 42, 89, 0.26);
}

.brand-logo img {
    display: block;
    width: 92%;
    height: 92%;
    object-fit: contain;
}

.brand-logo span {
    font-size: 12px;
    letter-spacing: 0;
}

.brand-logo img[src=""],
.brand-logo img:not([src]) {
    display: none;
}

.campus-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 7px 12px;
    margin-bottom: 12px;
    color: #082a59;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    background: linear-gradient(135deg, #fffbd0, var(--gold));
    border: 1px solid rgba(13, 59, 122, 0.24);
    border-radius: 999px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
}

.hero-kpis {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.hero-kpis span {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 12px;
    color: rgba(255, 255, 255, 0.94);
    background: rgba(255, 242, 0, 0.14);
    border: 1px solid rgba(255, 242, 0, 0.28);
    border-radius: 999px;
    backdrop-filter: blur(10px);
    font-size: 13px;
    font-weight: 800;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.nav {
    position: sticky;
    top: 10px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(13, 59, 122, 0.14);
    border-radius: 14px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-right: auto;
    padding: 10px 12px;
    color: var(--maroon);
    font-weight: 800;
}

.nav-brand-mark {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    color: transparent;
    background:
        #fff url("../img/logo-unila.png") center / 86% 86% no-repeat;
    border-radius: 50%;
    border: 2px solid var(--gold);
    font-size: 0;
}

.nav a,
.btn,
button.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 10px 15px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(135deg, var(--maroon-dark), var(--maroon));
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.2;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav a:hover,
.btn:hover,
button.btn:hover {
    transform: translateY(-1px);
    background: var(--maroon-dark);
    box-shadow: 0 10px 18px rgba(8, 42, 89, 0.18);
}

.btn-secondary {
    background: linear-gradient(135deg, #667085, #475467);
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-success {
    background: linear-gradient(135deg, #16a52a, #087a17);
}

.btn-success:hover {
    background: #0f5d39;
}

.btn-danger,
.nav a.btn-danger {
    background: linear-gradient(135deg, var(--logo-red), #b80000);
}

.btn-danger:hover,
.nav a.btn-danger:hover {
    background: #8f1b28;
}

.btn-warning {
    color: #063b08;
    background: linear-gradient(135deg, #fff78d, var(--gold));
}

.btn-warning:hover {
    color: #2f1d00;
    background: #c8952e;
}

.btn-outline {
    color: var(--maroon);
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(13, 59, 122, 0.34);
}

.btn-outline:hover {
    color: #fff;
    border-color: var(--maroon);
}

.btn-disabled,
button:disabled,
input:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.card {
    position: relative;
    margin-bottom: 20px;
    padding: 24px;
    background: var(--panel);
    border: 1px solid rgba(13, 59, 122, 0.12);
    border-radius: 14px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.card h2,
.card h3 {
    margin-top: 0;
    color: var(--maroon-dark);
    letter-spacing: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
}

.step,
.metric-card {
    position: relative;
    min-height: 132px;
    padding: 18px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.86));
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 12px 26px rgba(30, 41, 59, 0.06);
}

.step::before,
.metric-card::before,
.grid > .card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 18px;
    right: 18px;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--maroon), rgba(255, 22, 22, 0.18));
    border-radius: 999px;
}

.step h3,
.metric-card h3 {
    margin-top: 0;
}

.step p {
    color: var(--muted);
    line-height: 1.45;
}

label {
    display: block;
    margin-bottom: 6px;
    color: #303947;
    font-weight: 800;
}

input,
select,
textarea {
    width: 100%;
    min-height: 42px;
    padding: 11px 13px;
    margin-bottom: 14px;
    border: 1px solid #c9d2df;
    border-radius: 10px;
    color: var(--ink);
    background: #fff;
    outline: none;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--maroon);
    box-shadow: 0 0 0 3px rgba(13, 59, 122, 0.13);
}

.alert {
    padding: 14px 16px;
    margin-bottom: 16px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 700;
}

.alert-success {
    color: #07553a;
    background: #ddf7ea;
    border-color: #9ee2c1;
}

.alert-error {
    color: #8f1b28;
    background: #ffe3e7;
    border-color: #f3a5ae;
}

.alert-info {
    color: #174a8b;
    background: #e7f0ff;
    border-color: #b6cef7;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    overflow: hidden;
    background: #fff;
    border-radius: 12px;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--maroon-dark);
    background: linear-gradient(180deg, #fffbd4, #edf9ec);
    font-size: 13px;
    text-transform: uppercase;
}

tr:hover td {
    background: rgba(13, 59, 122, 0.055);
}

.status {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-menunggu,
.status-belum {
    color: var(--warning);
    background: #fffbd1;
}

.status-disetujui,
.status-sudah,
.status-aktif,
.status-valid {
    color: var(--success);
    background: #dff7ec;
}

.status-ditolak,
.status-invalid {
    color: var(--danger);
    background: #ffe5e8;
}

.status-ditutup {
    color: #475467;
    background: #eef2f6;
}

.signature-card {
    display: grid;
    grid-template-columns: 1fr 138px;
    gap: 16px;
    align-items: stretch;
    max-width: 720px;
    padding: 18px;
    margin: 18px 0;
    color: #1f2937;
    background: #fff;
    border: 2px solid var(--maroon);
    border-left: 10px solid var(--gold);
    border-radius: 14px;
    box-shadow: 0 12px 24px rgba(23, 32, 51, 0.10);
}

.signature-card h3,
.signature-stamp h3 {
    margin: 0;
    color: var(--maroon);
    font-size: 18px;
    line-height: 1.2;
}

.signature-card p,
.signature-stamp p {
    margin: 5px 0;
    color: #4b5563;
}

.signature-stamp {
    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 14px;
    align-items: center;
    padding: 16px;
    background: #fff;
    border: 2px solid var(--maroon);
    border-left: 9px solid var(--gold);
    border-radius: 14px;
}

.signature-qr {
    display: grid;
    place-items: center;
    gap: 6px;
    min-height: 118px;
    padding: 7px;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
}

.signature-qr img {
    display: block;
    width: 112px;
    height: 112px;
    object-fit: contain;
}

.signature-proof-qr-preview {
    display: grid;
    gap: 4px;
    width: min(190px, 100%);
    margin-top: 12px;
    padding: 8px;
    background: #fff;
    border: 1px solid #d7e4d7;
    border-radius: 10px;
}

.signature-proof-qr-preview img {
    width: 158px;
    max-width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
}

.signature-proof-qr-preview span,
.signature-proof-grid span {
    color: var(--maroon-dark);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.draw-signature-panel {
    width: 100%;
    max-width: 720px;
    margin-bottom: 16px;
    padding: 14px;
    background: linear-gradient(180deg, #ffffff, #f7fff5);
    border: 1px solid rgba(13, 59, 122, 0.18);
    border-radius: 14px;
}

#signatureCanvas {
    display: block;
    width: 100%;
    height: 220px;
    touch-action: none;
    background: #fff;
    border: 2px dashed rgba(8, 42, 89, 0.38);
    border-radius: 12px;
    cursor: crosshair;
}

.canvas-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
}

.canvas-toolbar span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.signature-proof-grid {
    display: grid;
    grid-template-columns: minmax(240px, 0.72fr) minmax(280px, 1fr);
    gap: 14px;
    max-width: 820px;
    margin-top: 16px;
}

.proof-box {
    display: grid;
    gap: 8px;
    align-content: start;
    padding: 14px;
    background: #fff;
    border: 1px solid rgba(13, 59, 122, 0.16);
    border-left: 7px solid var(--gold);
    border-radius: 14px;
    box-shadow: 0 10px 22px rgba(8, 42, 89, 0.08);
}

.drawn-signature-img {
    width: 100%;
    max-width: 360px;
    height: 126px;
    object-fit: contain;
    background: #fff;
    border: 1px solid #d8e2d8;
    border-radius: 10px;
}

.admin-signature-preview {
    display: block;
    width: 150px;
    height: 58px;
    object-fit: contain;
    background: #fff;
    border: 1px solid #d8e2d8;
    border-radius: 8px;
}

.approval-setting-panel {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    gap: 16px;
    align-items: end;
    padding: 16px;
    margin-bottom: 18px;
    background: #f8fff8;
    border: 1px solid rgba(13, 59, 122, 0.16);
    border-radius: 12px;
}

.approval-setting-panel h2 {
    margin-bottom: 4px;
}

.approval-setting-form {
    display: grid;
    grid-template-columns: 120px 150px auto;
    gap: 10px;
    align-items: end;
}

.approval-setting-form label {
    display: block;
    margin-bottom: 4px;
    color: #334155;
    font-size: 13px;
    font-weight: 800;
}

.approval-setting-form input,
.approval-setting-form select {
    min-height: 46px;
    margin-bottom: 0;
}

.approval-row-form {
    display: grid;
    grid-template-columns: 76px 116px auto;
    gap: 8px;
    align-items: center;
    min-width: 330px;
}

.approval-row-form input,
.approval-row-form select {
    min-height: 40px;
    margin-bottom: 0;
    padding: 8px 10px;
}

.approval-row-form .btn {
    min-height: 40px;
    padding: 8px 12px;
    white-space: nowrap;
}

.proof-signature-qr img {
    display: block;
    width: 156px;
    height: 156px;
    object-fit: contain;
    background: #fff;
    border: 1px solid #d8e2d8;
    border-radius: 10px;
}

.signature-placeholder {
    display: grid;
    place-items: center;
    width: 100%;
    max-width: 360px;
    height: 126px;
    color: rgba(8, 42, 89, 0.42);
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 42px;
    background: #fff;
    border: 1px solid #d8e2d8;
    border-radius: 10px;
}

.qr-note {
    display: inline-flex;
    justify-content: center;
    max-width: 120px;
    color: var(--maroon-dark);
    font-size: 11px;
    font-weight: 800;
    text-align: center;
}

.scan-signature-result {
    max-width: 820px;
}

.signature-validation-page {
    position: relative;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 22px 14px;
}

.signature-validation-wrap {
    width: min(430px, 100%);
    display: grid;
    gap: 12px;
}

.signature-validation-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--maroon-dark);
}

.signature-validation-brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.signature-validation-brand strong,
.signature-validation-brand span {
    display: block;
}

.signature-validation-brand strong {
    font-size: 17px;
    line-height: 1.1;
}

.signature-validation-brand span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.signature-validation-card {
    position: relative;
    overflow: hidden;
    padding: 18px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #dce6f5;
    border-left: 5px solid var(--maroon-soft);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(8, 42, 89, 0.14);
}

.signature-validation-card::before {
    content: "";
    position: absolute;
    right: -28px;
    top: -22px;
    width: 136px;
    height: 136px;
    background: url("../img/logo-unila.png") center / contain no-repeat;
    opacity: 0.045;
    pointer-events: none;
}

.signature-validation-card.is-invalid {
    border-left-color: var(--danger);
}

.signature-validation-card.is-expired {
    border-left-color: var(--warning);
}

.signature-validation-status {
    position: relative;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.signature-validation-icon {
    display: inline-grid;
    place-items: center;
    flex: 0 0 22px;
    width: 22px;
    height: 22px;
    margin-top: 1px;
    color: #fff;
    background: var(--maroon-soft);
    border-radius: 50%;
    font-size: 13px;
    font-weight: 900;
}

.is-invalid .signature-validation-icon {
    background: var(--danger);
}

.is-expired .signature-validation-icon {
    background: var(--warning);
}

.signature-validation-status h1 {
    margin: 0 0 3px;
    color: var(--maroon-dark);
    font-size: 16px;
    line-height: 1.2;
}

.is-invalid .signature-validation-status h1 {
    color: var(--danger);
}

.is-expired .signature-validation-status h1 {
    color: var(--warning);
}

.signature-validation-status p {
    margin: 0;
    color: #667085;
    font-size: 12px;
    line-height: 1.42;
}

.signature-validation-list {
    position: relative;
    margin: 0;
    padding: 0;
    border: 1px solid #e7ecef;
    border-radius: 8px;
    background: #fbfcff;
}

.signature-validation-list div {
    display: grid;
    grid-template-columns: minmax(92px, 0.45fr) minmax(0, 1fr);
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid #e7ecef;
}

.signature-validation-list div:last-child {
    border-bottom: 0;
}

.signature-validation-list dt,
.signature-validation-list dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
    line-height: 1.35;
}

.signature-validation-list dt {
    color: #667085;
    font-size: 12px;
}

.signature-validation-list dd {
    color: #243041;
    font-size: 12px;
    font-weight: 700;
}

.signature-validation-list dd b {
    color: #0d62a5;
}

.signature-validation-proof {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 82px;
    margin: 14px 0 0;
    padding: 10px;
    background: #fff;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
}

.signature-validation-proof img {
    display: block;
    width: 100%;
    max-width: 310px;
    max-height: 92px;
    object-fit: contain;
}

.signature-validation-proof-preview {
    color: rgba(8, 42, 89, 0.42);
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 42px;
}

.signature-validation-footer {
    margin: 12px 8px 0;
    color: #98a2b3;
    font-size: 11px;
    line-height: 1.35;
    text-align: center;
}

.signature-validation-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.scanner-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
    gap: 18px;
    align-items: start;
}

.scanner-frame {
    position: relative;
    overflow: hidden;
    min-height: 360px;
    background: #0f172a;
    border: 2px solid rgba(13, 59, 122, 0.28);
    border-radius: 14px;
}

.scanner-frame video {
    display: block;
    width: 100%;
    min-height: 360px;
    max-height: 62vh;
    object-fit: cover;
    background: #0f172a;
}

.scanner-upload-frame {
    display: grid;
    place-items: center;
    min-height: 420px;
}

.scanner-upload-frame img {
    display: none;
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    background: #fff;
}

.scanner-upload-frame img[src] {
    display: block;
}

.scanner-guide {
    position: absolute;
    inset: 18px;
    display: grid;
    place-items: center;
    pointer-events: none;
    color: #fff;
    text-align: center;
    border: 2px dashed rgba(255, 242, 0, 0.72);
    border-radius: 12px;
}

.scanner-guide span {
    position: absolute;
    inset: 18%;
    border: 2px solid rgba(255, 255, 255, 0.66);
    border-radius: 10px;
}

.scanner-guide strong {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    padding: 9px 12px;
    background: rgba(0, 0, 0, 0.48);
    border-radius: 10px;
}

.scanner-checklist {
    padding: 18px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    border-radius: 14px;
}

.scan-check {
    margin-bottom: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    font-weight: 800;
    border: 1px solid #d8e3d8;
}

.scan-check.is-ok {
    color: #07553a;
    background: #e7f8ef;
    border-color: #9be4ba;
}

.scan-check.is-waiting {
    color: #5a3c00;
    background: #fff8d6;
    border-color: #f2db73;
}

.qr-dummy {
    width: 112px;
    height: 112px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(7, 1fr);
    gap: 3px;
    padding: 8px;
    background: #fff;
    border: 1px solid #d5dce7;
}

.qr-dummy span {
    background: #1f2937;
}

.qr-dummy span:nth-child(3n),
.qr-dummy span:nth-child(5n) {
    background: #fff;
}

.verified-box,
.invalid-box {
    padding: 18px;
    border-radius: 14px;
    border: 1px solid transparent;
}

.verified-box {
    color: #07553a;
    background: #e8f8ef;
    border-color: #9ee2c1;
}

.invalid-box {
    color: #8f1b28;
    background: #ffe5e8;
    border-color: #f3a5ae;
}

.action-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.55fr);
    gap: 20px;
    align-items: start;
}

.campus-panel {
    min-height: 430px;
    padding: 28px;
    color: #fff;
    background:
        radial-gradient(circle at 86% 12%, rgba(255, 242, 0, 0.18), transparent 28%),
        linear-gradient(180deg, rgba(8, 42, 89, 0.26), rgba(8, 42, 89, 0.86)),
        url("../img/unila-campus-hero.jpg") center / cover no-repeat;
    border: 1px solid rgba(255, 242, 0, 0.34);
    border-radius: 14px;
    box-shadow: var(--shadow-strong);
}

.campus-panel h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(24px, 3vw, 38px);
}

.campus-panel p {
    max-width: 560px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.55;
}

.feature-list {
    display: grid;
    gap: 10px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    padding: 12px 14px;
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 242, 0, 0.12);
    border: 1px solid rgba(255, 242, 0, 0.18);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.usage-steps {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: usage-step;
}

.usage-steps li {
    position: relative;
    min-height: 46px;
    padding: 12px 14px 12px 54px;
    color: #1f2937;
    background: linear-gradient(180deg, #ffffff, #f7fff5);
    border: 1px solid rgba(13, 59, 122, 0.14);
    border-radius: 12px;
}

.usage-steps li::before {
    counter-increment: usage-step;
    content: counter(usage-step);
    position: absolute;
    left: 14px;
    top: 50%;
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    color: var(--maroon-dark);
    font-size: 13px;
    font-weight: 900;
    background: linear-gradient(135deg, #fffbd0, var(--gold));
    border: 1px solid rgba(13, 59, 122, 0.22);
    border-radius: 50%;
    transform: translateY(-50%);
}

.guide-grid,
.digital-id-status-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.guide-section,
.status-panel {
    padding: 18px;
    background: linear-gradient(180deg, #ffffff, #f7fff5);
    border: 1px solid rgba(13, 59, 122, 0.14);
    border-left: 7px solid var(--gold);
    border-radius: 14px;
    box-shadow: 0 10px 22px rgba(8, 42, 89, 0.07);
}

.guide-section h3,
.status-panel h3 {
    margin-top: 0;
}

.guide-section ol {
    margin: 0;
    padding-left: 20px;
}

.guide-section li {
    margin: 8px 0;
    line-height: 1.45;
}

.status-checklist {
    display: grid;
    gap: 9px;
    margin: 12px 0 16px;
    padding: 0;
    list-style: none;
}

.status-checklist li {
    position: relative;
    padding: 10px 12px 10px 38px;
    background: #fff;
    border: 1px solid #dce6f5;
    border-radius: 10px;
}

.status-checklist li::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 50%;
    width: 14px;
    height: 14px;
    background: #e5e7eb;
    border-radius: 50%;
    transform: translateY(-50%);
}

.status-checklist li.done::before {
    background: var(--maroon);
    box-shadow: inset 0 0 0 4px #dff7ec;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.section-title h2 {
    margin: 0;
}

.section-title p {
    margin: 0;
    color: var(--muted);
}

.small-muted {
    color: var(--muted);
    font-size: 13px;
}

.qr-box {
    width: 170px;
    height: 170px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    padding: 15px;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
}

.qr-box span {
    border-radius: 3px;
    background: #111827;
}

.qr-box span:nth-child(2n) {
    background: #e5e7eb;
}

.otp-setup {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
    margin: 18px 0 22px;
}

.otp-qr-card {
    display: grid;
    place-items: center;
    padding: 14px;
    background: #fff;
    border: 2px solid var(--maroon);
    border-left: 10px solid var(--gold);
    border-radius: 16px;
    box-shadow: 0 14px 28px rgba(8, 42, 89, 0.10);
}

.otp-qr-card img {
    width: 178px;
    height: 178px;
    object-fit: contain;
}

.otp-instructions {
    padding: 18px;
    background: linear-gradient(180deg, #ffffff, #f7fff5);
    border: 1px solid rgba(13, 59, 122, 0.14);
    border-radius: 16px;
}

.otp-instructions ol {
    margin: 8px 0 14px 20px;
    padding: 0;
}

.otp-instructions li {
    margin: 8px 0;
}

.setup-key {
    display: block;
    width: fit-content;
    max-width: 100%;
    padding: 10px 12px;
    color: var(--maroon-dark);
    background: var(--gold-soft);
    border: 1px solid rgba(13, 59, 122, 0.18);
    border-radius: 10px;
    overflow-wrap: anywhere;
    font-weight: 800;
}

@media (max-width: 920px) {
    .grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nav-brand {
        width: 100%;
    }

    .auth-shell {
        grid-template-columns: 1fr;
    }

    .otp-setup {
        grid-template-columns: 1fr;
    }

    .signature-proof-grid {
        grid-template-columns: 1fr;
    }

    .approval-setting-panel {
        grid-template-columns: 1fr;
    }

    .guide-grid,
    .digital-id-status-grid,
    .scanner-layout {
        grid-template-columns: 1fr;
    }

    .campus-panel {
        min-height: 280px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 18px, 1180px);
        margin-top: 12px;
    }

    .header,
    .brand-header {
        align-items: flex-start;
        flex-direction: column;
        min-height: auto;
        padding: 20px;
        background-position: 58% center;
    }

    .brand-header h1 {
        font-size: 29px;
    }

    .grid,
    .signature-card,
    .signature-stamp {
        grid-template-columns: 1fr;
    }

    .nav a,
    .btn,
    button.btn {
        width: 100%;
    }

    .action-group .btn,
    .action-group a {
        width: 100%;
    }

    .approval-setting-form {
        grid-template-columns: 1fr;
    }

    .approval-row-form {
        grid-template-columns: 1fr;
        min-width: 0;
    }

    .canvas-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    #signatureCanvas {
        height: 180px;
    }
}