:root {
    --ajcc-blue-900: #0b2c62;
    --ajcc-blue-800: #0f4ea2;
    --ajcc-blue-700: #1f6feb;
    --ajcc-blue-100: #eaf3ff;
    --ajcc-white: #ffffff;
    --ajcc-slate: #5f6f86;
    --ajcc-border: rgba(19, 76, 153, 0.12);
    --ajcc-shadow: 0 24px 70px rgba(7, 35, 84, 0.12);
}

html {
    font-size: 16px;
}

body {
    font-family: 'Sarabun', sans-serif;
    font-size: 1rem;
    color: #17324d;
    background:
        radial-gradient(circle at top right, rgba(31, 111, 235, 0.12), transparent 24rem),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 16rem);
}

h1, h2, h3, h4, h5, h6,
.navbar-brand,
.btn,
.card-title,
.section-eyebrow {
    font-family: 'Kanit', sans-serif;
}

.site-shell {
    min-height: 100vh;
}

.ajcc-navbar {
    background: linear-gradient(120deg, rgba(11, 44, 98, 0.98), rgba(17, 85, 176, 0.94));
    backdrop-filter: blur(10px);
    box-shadow: 0 14px 50px rgba(9, 37, 88, 0.18);
}

.brand-logo {
    width: 54px;
    height: 54px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 14px;
    padding: 0.35rem;
}

.navbar-brand span {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.navbar-brand small {
    font-size: 0.72rem;
    opacity: 0.85;
}

.nav-link,
.nav-user {
    color: rgba(255, 255, 255, 0.92);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.22rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
}

.lang-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    padding: 0.42rem 0.8rem;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
    font-family: 'Kanit', sans-serif;
    font-size: 0.85rem;
}

.lang-pill.active {
    background: #fff;
    color: var(--ajcc-blue-900);
}

.nav-link.active,
.nav-link:hover {
    color: #fff;
}

.ajcc-admin-dropdown {
    border: 1px solid var(--ajcc-border);
    border-radius: 18px;
    padding: 0.55rem;
    box-shadow: var(--ajcc-shadow);
}

.ajcc-admin-dropdown .dropdown-item {
    border-radius: 12px;
    padding: 0.65rem 0.9rem;
    font-family: 'Kanit', sans-serif;
    color: #17324d;
}

.ajcc-admin-dropdown .dropdown-item.active,
.ajcc-admin-dropdown .dropdown-item:active,
.ajcc-admin-dropdown .dropdown-item:hover {
    background: var(--ajcc-blue-100);
    color: var(--ajcc-blue-900);
}

.ajcc-link-plain {
    color: inherit;
    text-decoration: none;
    font-weight: 600;
}

.ajcc-link-plain:hover,
.ajcc-link-plain:focus {
    color: var(--ajcc-blue-800);
    text-decoration: none;
}

.page-main {
    position: relative;
}

.hero-panel,
.ajcc-card,
.dashboard-stat,
.feature-card,
.receipt-paper,
.certificate-stage {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--ajcc-border);
    box-shadow: var(--ajcc-shadow);
    border-radius: 24px;
}

.hero-panel {
    overflow: hidden;
    position: relative;
}

.hero-panel::after {
    content: '';
    position: absolute;
    inset: auto -10% -35% 40%;
    height: 19rem;
    background: radial-gradient(circle, rgba(31, 111, 235, 0.18), transparent 60%);
    pointer-events: none;
}

.hero-panel .hero-content {
    padding: 2rem;
}

.hero-kicker,
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ajcc-blue-800);
    background: var(--ajcc-blue-100);
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
}

.hero-title {
    font-size: clamp(2.1rem, 5vw, 4rem);
    line-height: 1.04;
    color: var(--ajcc-blue-900);
}

.dashboard-welcome {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 0.75rem;
    row-gap: 0.2rem;
}

.dashboard-welcome-details {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.45rem;
    min-width: 0;
    font-size: clamp(1.2rem, 2.6vw, 1.85rem);
    line-height: 1.25;
}

.dashboard-welcome-name {
    color: #d97706;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.dashboard-welcome-conference {
    color: var(--ajcc-blue-800);
    font-weight: 500;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--ajcc-slate);
    max-width: 48rem;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1.75rem;
}

.metric-box {
    background: linear-gradient(180deg, #ffffff, #f1f7ff);
    border: 1px solid var(--ajcc-border);
    border-radius: 18px;
    padding: 1rem 1.1rem;
}

.metric-box strong {
    display: block;
    font-size: 1.6rem;
    color: var(--ajcc-blue-900);
    font-family: 'Kanit', sans-serif;
}

.feature-card,
.ajcc-card,
.dashboard-stat {
    padding: 1.5rem;
}

.feature-icon,
.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--ajcc-blue-700), var(--ajcc-blue-900));
    color: #fff;
    font-family: 'Kanit', sans-serif;
    font-size: 1.15rem;
    margin-bottom: 1rem;
}

.ajcc-card h3,
.feature-card h3,
.dashboard-stat h3,
.dashboard-stat h4 {
    color: var(--ajcc-blue-900);
}

.form-label {
    font-weight: 600;
}

.form-control,
.form-select {
    border-radius: 14px;
    min-height: 50px;
    border-color: rgba(14, 74, 158, 0.18);
    padding: 0.8rem 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ajcc-blue-700);
    box-shadow: 0 0 0 0.25rem rgba(31, 111, 235, 0.14);
}

.field-email {
    background: linear-gradient(180deg, #f3f8ff, #ffffff);
    border-color: rgba(31, 111, 235, 0.35);
}

.field-password {
    background: linear-gradient(180deg, #fff7eb, #ffffff);
    border-color: rgba(214, 133, 20, 0.34);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-radius: 999px;
    padding: 0.8rem 1.3rem;
    white-space: nowrap;
}

.btn i,
.btn span {
    flex-shrink: 0;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(120deg, var(--ajcc-blue-800), var(--ajcc-blue-700));
    border-color: transparent;
    box-shadow: 0 14px 32px rgba(31, 111, 235, 0.22);
}

.btn-outline-primary {
    color: var(--ajcc-blue-800);
    border-color: rgba(15, 78, 162, 0.22);
}

.section-block + .section-block {
    margin-top: 1.5rem;
}

.dashboard-grid,
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.dashboard-stat strong {
    display: block;
    font-size: 1.9rem;
    color: var(--ajcc-blue-900);
    font-family: 'Kanit', sans-serif;
}

.progress-step-card {
    border: 2px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.progress-step-card.is-completed {
    border-color: #198754 !important;
    background: #d1e7dd !important;
    box-shadow: 0 18px 45px rgba(25, 135, 84, 0.2);
}

.progress-step-card.is-completed .stat-icon {
    background: linear-gradient(145deg, #16803a, #35b85a);
}

.progress-step-card.is-current {
    border-color: #ffc107 !important;
    background: #fff3cd !important;
    box-shadow: 0 20px 50px rgba(255, 193, 7, 0.24);
    transform: translateY(-4px);
}

.progress-step-card.is-current .stat-icon {
    background: linear-gradient(145deg, #d99400, #f0b429);
}

.progress-step-card.is-pending {
    border-color: #cbd5e1 !important;
    background: #f1f5f9 !important;
}

.progress-step-card.is-pending .stat-icon {
    background: #94a3b8;
}

.progress-step-status {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: #e9eef5;
    color: #64748b;
    font-size: 0.8rem;
    font-weight: 700;
}

.progress-step-card.is-completed .progress-step-status {
    background: #d5f0de;
    color: #16803a;
}

.progress-step-card.is-current .progress-step-status {
    background: #ffe69c;
    color: #8a5a00;
}

.participant-progress-card {
    overflow: hidden;
}

.participant-progress-summary {
    padding: 1rem 1.15rem;
    overflow-x: auto;
    border: 1px solid rgba(31, 111, 235, 0.14);
    border-radius: 16px;
    background: linear-gradient(135deg, #f5f9ff, #eef5ff);
}

.participant-progress-track {
    position: relative;
    height: 86px;
    min-width: 650px;
    margin: 0 65px;
}

.participant-progress-nodes {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.participant-progress-node {
    position: absolute;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 130px;
    transform: translateX(-50%);
    text-align: center;
}

.participant-progress-node-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 3px solid #cbd5e1;
    border-radius: 50%;
    background: #fff;
    color: #7a8798;
    font-weight: 700;
    box-shadow: 0 3px 10px rgba(15, 44, 82, 0.12);
}

.participant-progress-node-label {
    margin-top: 0.45rem;
    color: var(--ajcc-slate);
    font-size: 0.78rem;
    line-height: 1.2;
}

.participant-progress-node.is-completed .participant-progress-node-dot {
    border-color: #28a745;
    color: #16803a;
}

.participant-progress-node.is-current .participant-progress-node-dot {
    border-color: var(--ajcc-blue-700);
    color: var(--ajcc-blue-800);
    box-shadow: 0 0 0 5px rgba(31, 111, 235, 0.13);
}

.participant-progress-node.is-completed .participant-progress-node-label {
    color: #16803a;
    font-weight: 700;
}

.participant-progress-node.is-current .participant-progress-node-label {
    color: var(--ajcc-blue-800);
    font-weight: 700;
}

.participant-stepper-scroll {
    overflow-x: auto;
    padding: 0.45rem 0 0.75rem;
    scrollbar-width: thin;
}

.participant-stepper {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-width: 680px;
    gap: 0;
    padding: 0;
    list-style: none;
}

.participant-step {
    position: relative;
    min-width: 0;
    text-align: center;
}

.participant-step:not(:last-child)::after {
    content: '';
    position: absolute;
    z-index: 0;
    top: 1.55rem;
    left: calc(50% + 1.65rem);
    width: calc(100% - 3.3rem);
    height: 4px;
    border-radius: 999px;
    background: #dce5f1;
}

.participant-step.is-completed:not(:last-child)::after {
    background: #28a745;
}

.participant-step-marker {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.1rem;
    height: 3.1rem;
    border: 4px solid #dce5f1;
    border-radius: 50%;
    background: #fff;
    color: #8a98aa;
    font-size: 1.15rem;
}

.participant-step.is-completed .participant-step-marker {
    border-color: #28a745;
    background: #28a745;
    color: #fff;
}

.participant-step.is-current .participant-step-marker {
    border-color: var(--ajcc-blue-700);
    color: var(--ajcc-blue-800);
    box-shadow: 0 0 0 7px rgba(31, 111, 235, 0.12);
}

.participant-step-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 0.85rem 0.5rem 0;
}

.participant-step-number,
.participant-step-state {
    color: var(--ajcc-slate);
    font-size: 0.82rem;
}

.participant-step-content strong {
    color: var(--ajcc-blue-900);
}

.participant-step.is-completed .participant-step-state {
    color: #16803a;
    font-weight: 700;
}

.participant-step.is-current .participant-step-state {
    color: var(--ajcc-blue-800);
    font-weight: 700;
}

/* Connected wizard appearance */
.participant-wizard {
    gap: 4px;
}

.participant-wizard .participant-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 92px;
    padding: 1rem 1.65rem 1rem 1.35rem;
    background: #eef2f7;
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 50%, calc(100% - 18px) 100%, 0 100%, 18px 50%);
    text-align: left;
}

.participant-wizard .participant-step:first-child {
    padding-left: 1rem;
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 50%, calc(100% - 18px) 100%, 0 100%);
}

.participant-wizard .participant-step:not(:last-child)::after {
    content: none;
}

.participant-wizard .participant-step-marker {
    flex: 0 0 auto;
    width: 2.6rem;
    height: 2.6rem;
    border-width: 2px;
    font-size: 1rem;
}

.participant-wizard .participant-step-content {
    align-items: flex-start;
    min-width: 0;
    padding: 0;
}

.participant-wizard .participant-step-content strong {
    line-height: 1.25;
}

.participant-wizard .participant-step.is-completed {
    background: #e4f6ea;
}

.participant-wizard .participant-step.is-completed .participant-step-marker {
    border-color: #28a745;
    background: #fff;
    color: #16803a;
}

.participant-wizard .participant-step.is-current {
    background: linear-gradient(120deg, var(--ajcc-blue-800), var(--ajcc-blue-700));
}

.participant-wizard .participant-step.is-current .participant-step-marker {
    border-color: #fff;
    background: #fff;
    color: var(--ajcc-blue-800);
    box-shadow: none;
}

.participant-wizard .participant-step.is-current .participant-step-number,
.participant-wizard .participant-step.is-current .participant-step-state,
.participant-wizard .participant-step.is-current .participant-step-content strong {
    color: #fff;
}

.info-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.info-list .info-item {
    padding: 1rem;
    border-radius: 16px;
    background: #f8fbff;
    border: 1px solid var(--ajcc-border);
}

.info-item span {
    display: block;
    color: var(--ajcc-slate);
    font-size: 0.92rem;
}

.info-item strong {
    display: block;
    color: var(--ajcc-blue-900);
    margin-top: 0.35rem;
}

.table-card {
    overflow: hidden;
}

.table thead th {
    background: #f4f8ff;
    color: var(--ajcc-blue-900);
    font-family: 'Kanit', sans-serif;
    font-weight: 500;
}

.receipt-paper {
    padding: 2rem;
}

.receipt-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
    border-bottom: 1px solid var(--ajcc-border);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
}

.certificate-stage {
    padding: 1.25rem;
}

.certificate-sheet {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(31, 111, 235, 0.16), transparent 12rem),
        linear-gradient(135deg, #ffffff, #eef6ff);
    border-radius: 24px;
    border: 10px solid rgba(18, 84, 174, 0.08);
    padding: 3rem 2rem;
    text-align: center;
}

.certificate-sheet::before,
.certificate-sheet::after {
    content: '';
    position: absolute;
    width: 12rem;
    height: 12rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(15, 78, 162, 0.12), transparent 65%);
}

.certificate-sheet::before {
    top: -3rem;
    right: -2rem;
}

.certificate-sheet::after {
    bottom: -3rem;
    left: -2rem;
}

.certificate-name {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    color: var(--ajcc-blue-900);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
}

.status-pill.success {
    color: #106c2d;
    background: #e9f9ef;
}

.status-pill.warning {
    color: #9b5a00;
    background: #fff4dd;
}

.status-pill.danger {
    color: #8b1f33;
    background: #ffe8ee;
}

.site-footer {
    background: #071c40;
    color: rgba(255, 255, 255, 0.88);
    padding: 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.site-footer a {
    display: block;
    color: rgba(255, 255, 255, 0.88);
    text-decoration: none;
    margin-bottom: 0.4rem;
}

.ajcc-alert {
    border-radius: 18px;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.report-chart-card {
    padding: 1.5rem;
}

.report-chart-wrap {
    position: relative;
    min-height: 320px;
}

.report-table td,
.report-table th {
    vertical-align: middle;
}

.email-check-message {
    min-height: 1.4rem;
    margin-top: 0.35rem;
    font-weight: 600;
}

.email-check-message.is-success {
    color: #106c2d;
}

.email-check-message.is-error {
    color: #b42318;
}

.email-check-message.is-loading {
    color: var(--ajcc-blue-800);
}

@media (max-width: 767.98px) {
    .hero-panel .hero-content,
    .receipt-paper,
    .certificate-sheet {
        padding: 1.35rem;
    }

    .receipt-header {
        flex-direction: column;
    }

    .participant-stepper-scroll {
        margin-right: -0.5rem;
        padding-right: 0.5rem;
    }
}

@media print {
    .ajcc-navbar,
    .site-footer,
    .btn,
    .alert {
        display: none !important;
    }

    body {
        background: #fff;
    }

    .receipt-paper,
    .certificate-stage,
    .certificate-sheet {
        box-shadow: none;
        border: 0;
    }
}