:root {
    --dar-blue: #2d5394;
    --dar-blue-deep: #1f3c72;
    --dar-gold: #ffc200;
    --dar-gold-soft: #ffe7a3;
    --dar-ice: #f6f8fc;
    --dar-line: #d9e2f0;
    --dar-text: #20304d;
    --dar-muted: #63708b;
    --dar-danger: #cb6249;
    --dar-shadow: 0 22px 55px rgba(26, 58, 102, 0.14);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(255, 194, 0, 0.22), transparent 28%),
        linear-gradient(180deg, #fdfefe 0%, #f4f7fb 100%);
    color: var(--dar-text);
    font-family: "Manrope", sans-serif;
}

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

.app-shell {
    display: grid;
    grid-template-columns: 310px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 28px 24px;
    background: linear-gradient(180deg, rgba(45, 83, 148, 0.98) 0%, rgba(31, 60, 114, 0.98) 100%);
    color: white;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 8px;
}

.brand-name {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 800;
}

.brand-tag {
    margin: 4px 0 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.92rem;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav-link {
    padding: 13px 14px;
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: 0.2s ease;
    font-weight: 600;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.12);
    color: white;
}

.sidebar-card {
    padding: 20px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 194, 0, 0.16) 0%, rgba(255, 255, 255, 0.08) 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.session-card {
    display: grid;
    gap: 6px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.session-card span {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
}

.logout-link {
    margin-top: 8px;
    font-weight: 800;
    color: #fff3c2;
}

.sidebar-card {
    margin-top: auto;
}

.sidebar-card h3 {
    margin: 8px 0 10px;
}

.sidebar-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.55;
}

.content {
    padding: 34px;
    display: grid;
    gap: 24px;
}

.alert {
    padding: 16px 18px;
    border-radius: 18px;
    font-weight: 700;
    box-shadow: var(--dar-shadow);
}

.alert-success {
    background: #eef9f1;
    border: 1px solid #b5e0be;
    color: #1d6a34;
}

.alert-error {
    background: #fff3ef;
    border: 1px solid #f0c0b2;
    color: #9c3d27;
}

.hero,
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}

.hero h1,
.page-header h1 {
    margin: 6px 0 12px;
    font-size: clamp(2rem, 3vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    max-width: 900px;
}

.hero-copy,
.page-header p {
    margin: 0;
    max-width: 880px;
    color: var(--dar-muted);
    line-height: 1.7;
}

.eyebrow {
    margin: 0;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--dar-blue);
    font-weight: 800;
}

.hero-panel {
    min-width: 240px;
    padding: 24px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--dar-shadow);
    border: 1px solid rgba(45, 83, 148, 0.09);
}

.hero-panel strong {
    display: block;
    margin-top: 14px;
    font-size: 3rem;
    color: var(--dar-blue);
}

.hero-panel p {
    color: var(--dar-muted);
    line-height: 1.6;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--dar-gold-soft);
    color: var(--dar-blue-deep);
    font-size: 0.8rem;
    font-weight: 800;
}

.stats-grid,
.panel-grid,
.two-col,
.three-col {
    display: grid;
    gap: 20px;
}

.stats-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stats-grid.four-up {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stats-grid.five-up {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.panel-grid,
.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-col {
    grid-template-columns: 1.1fr 0.9fr 1.2fr;
}

.stat-card,
.panel {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(45, 83, 148, 0.08);
    box-shadow: var(--dar-shadow);
}

.stat-card {
    padding: 22px;
    display: grid;
    gap: 8px;
}

.stat-card span {
    color: var(--dar-muted);
    font-weight: 700;
    font-size: 0.92rem;
}

.stat-card strong {
    font-size: 2rem;
    color: var(--dar-blue);
}

.stat-card.warning strong {
    color: #a16d00;
}

.stat-card.risk strong {
    color: var(--dar-danger);
}

.panel {
    padding: 22px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.panel-header h2 {
    margin: 0;
    font-size: 1.22rem;
}

.session-block {
    display: grid;
    gap: 20px;
}

.compact-header h1 {
    font-size: clamp(1.8rem, 2.4vw, 2.6rem);
}

.panel-header span,
.text-link {
    color: var(--dar-muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.panel-header.mini {
    margin-bottom: 12px;
}

.table-wrap {
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 12px;
    text-align: left;
    border-bottom: 1px solid var(--dar-line);
    font-size: 0.95rem;
}

th {
    color: var(--dar-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.timeline {
    display: grid;
    gap: 14px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 14px;
    align-items: flex-start;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    margin-top: 7px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--dar-blue) 0%, var(--dar-gold) 100%);
}

.timeline-item p,
.timeline-item small {
    margin: 2px 0 0;
    color: var(--dar-muted);
}

.distribution-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.distribution-card {
    padding: 18px;
    border-radius: 18px;
    background: var(--dar-ice);
    border: 1px solid rgba(45, 83, 148, 0.07);
    display: grid;
    gap: 10px;
}

.distribution-card h3 {
    margin: 0 0 4px;
    font-size: 1rem;
}

.distribution-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--dar-muted);
}

.distribution-row strong {
    color: var(--dar-blue);
}

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

.form-grid label {
    display: grid;
    gap: 8px;
    color: var(--dar-text);
    font-size: 0.92rem;
    font-weight: 700;
}

.form-grid .full-width {
    grid-column: 1 / -1;
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    padding: 14px 15px;
    border-radius: 14px;
    border: 1px solid var(--dar-line);
    background: var(--dar-ice);
    color: var(--dar-text);
}

textarea {
    resize: vertical;
    min-height: 96px;
}

.checkbox-field {
    display: flex !important;
    align-items: center;
    gap: 10px;
    grid-column: 1 / -1;
}

.checkbox-field input {
    width: auto;
}

.primary-button {
    grid-column: 1 / -1;
    padding: 15px 18px;
    border: 0;
    border-radius: 16px;
    color: white;
    cursor: pointer;
    background: linear-gradient(135deg, var(--dar-blue) 0%, #446db0 100%);
    box-shadow: 0 16px 30px rgba(45, 83, 148, 0.22);
    font-weight: 800;
}

.secondary-button {
    grid-column: 1 / -1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    border-radius: 16px;
    border: 1px solid var(--dar-line);
    background: white;
    color: var(--dar-blue);
    font-weight: 800;
}

.secondary-button.compact,
.ghost-button {
    grid-column: auto;
    width: fit-content;
    padding: 12px 14px;
}

.ghost-button {
    border: 1px dashed var(--dar-line);
    border-radius: 14px;
    background: white;
    color: var(--dar-blue);
    cursor: pointer;
}

.inline-form {
    display: inline;
}

.danger-link {
    border: 0;
    background: none;
    color: var(--dar-danger);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    padding: 0;
}

.stack-list {
    display: grid;
    gap: 12px;
}

.stack-list.large {
    max-height: 620px;
    overflow: auto;
    padding-right: 4px;
}

.stack-row,
.participant-card {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    padding: 14px 16px;
    border-radius: 16px;
    background: var(--dar-ice);
    border: 1px solid rgba(45, 83, 148, 0.07);
}

.participant-card p,
.participant-card span,
.stack-row span {
    margin: 4px 0 0;
    color: var(--dar-muted);
    font-size: 0.9rem;
}

.meta-column {
    text-align: right;
    display: grid;
    gap: 6px;
    justify-items: end;
}

.tall {
    max-height: 760px;
}

.actions-cell {
    text-align: right;
    white-space: nowrap;
}

.enrollment-block {
    display: grid;
    gap: 14px;
    padding: 18px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 194, 0, 0.12) 0%, rgba(45, 83, 148, 0.04) 100%);
    border: 1px solid rgba(45, 83, 148, 0.08);
}

.enrollment-rows {
    display: grid;
    gap: 12px;
}

.enrollment-row {
    display: grid;
    grid-template-columns: 1.3fr 1fr 0.8fr auto;
    gap: 10px;
    align-items: center;
}

.is-hidden {
    display: none !important;
}

.login-body {
    display: grid;
    min-height: 100vh;
    place-items: center;
}

.login-shell {
    width: min(100%, 560px);
    padding: 24px;
}

.login-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 30px;
    padding: 34px;
    box-shadow: var(--dar-shadow);
    border: 1px solid rgba(45, 83, 148, 0.08);
    display: grid;
    gap: 18px;
}

.login-logo {
    width: 92px;
    height: 92px;
    object-fit: contain;
    border-radius: 24px;
    background: white;
    padding: 12px;
}

.login-card h1 {
    margin: 0;
    font-size: 2.4rem;
    line-height: 1.05;
}

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

.login-hint {
    display: grid;
    gap: 4px;
    padding: 16px;
    border-radius: 18px;
    background: var(--dar-ice);
    color: var(--dar-muted);
}

@media (max-width: 1260px) {
    .stats-grid,
    .stats-grid.four-up,
    .stats-grid.five-up {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .three-col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding-bottom: 18px;
    }

    .sidebar-card {
        margin-top: 0;
    }

    .panel-grid,
    .two-col,
    .hero {
        grid-template-columns: 1fr;
    }

    .hero,
    .page-header {
        flex-direction: column;
    }
}

@media (max-width: 720px) {
    .content {
        padding: 18px;
    }

    .stats-grid,
    .stats-grid.four-up,
    .stats-grid.five-up,
    .panel-grid,
    .two-col,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .distribution-grid {
        grid-template-columns: 1fr;
    }

    .enrollment-row {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        width: 100%;
        min-width: 0;
    }
}