@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    --modern-ink-900: #102347;
    --modern-ink-700: #32466f;
    --modern-ink-500: #60708f;
    --modern-accent: #0d7c9d;
    --modern-accent-strong: #1566d1;
    --modern-accent-soft: #e8f4ff;
    --modern-success-soft: #e8f8ef;
    --modern-warning-soft: #fff5e2;
    --modern-border: #d5e1f4;
    --modern-bg: #edf3ff;
    --modern-bg-alt: #f9fbff;
    --modern-shadow: 0 18px 36px rgba(20, 49, 95, 0.11);
    --modern-shadow-soft: 0 10px 24px rgba(20, 49, 95, 0.07);
    --modern-focus: 0 0 0 3px rgba(21, 102, 209, 0.24);
    --modern-radius-lg: 18px;
    --modern-radius-md: 12px;
    --modern-font-body: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
    --modern-font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
}

body {
    font-family: var(--modern-font-body);
    color: var(--modern-ink-900);
    background:
        radial-gradient(1000px 420px at 0% 0%, rgba(13, 124, 157, 0.12), transparent 58%),
        radial-gradient(900px 360px at 100% 0%, rgba(21, 102, 209, 0.14), transparent 62%),
        linear-gradient(180deg, var(--modern-bg) 0%, var(--modern-bg-alt) 42%, #f4f8ff 100%);
}

.dashboard-brand-text,
.page-title,
.empty-state-title,
.quick-link-title,
.certificate-query-title,
.course-card-title {
    font-family: var(--modern-font-heading);
}

.top-header {
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.2), transparent 45%),
        linear-gradient(118deg, #0b1f45 0%, #123872 44%, #0d5f8d 100%);
    box-shadow: 0 14px 30px rgba(11, 31, 69, 0.28);
}

.logo h2 {
    letter-spacing: 0.3px;
}

.main-nav a {
    font-weight: 600;
}

.search-bar input {
    border-radius: 12px;
    border-color: rgba(255, 255, 255, 0.44);
    background: rgba(255, 255, 255, 0.16);
}

.search-bar input:focus,
.search-bar input:focus-visible {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.user-profile {
    border-radius: 12px;
}

.sub-header {
    position: sticky;
    top: 0;
    z-index: 9;
    background: rgba(238, 245, 255, 0.9);
    border: 0;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 22px rgba(24, 56, 106, 0.1);
    margin-bottom: 24px;
}

.sub-nav {
    position: relative;
    gap: 4px;
    padding: 8px 0;
    overflow: visible;
}

.sub-nav > li > a {
    border: 1px solid transparent;
    border-radius: 14px;
    margin: 0;
    padding: 11px 15px;
    color: var(--modern-ink-700);
    font-weight: 700;
    background: rgba(255, 255, 255, 0.58);
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.sub-nav > li:first-child > a {
    border-left: 0;
}

.sub-nav > li > a i {
    color: #556b8f;
}

.sub-nav > li > a:hover,
.sub-nav > li > a.active,
.sub-nav li.has-active > .sub-nav-toggle {
    background: linear-gradient(126deg, rgba(20, 95, 183, 0.16) 0%, rgba(14, 132, 156, 0.15) 100%);
    color: var(--modern-ink-900);
    border-color: #c4d8f7;
    box-shadow: 0 8px 18px rgba(22, 73, 145, 0.12);
}

.sub-nav > li > a:hover i,
.sub-nav > li > a.active i,
.sub-nav li.has-active > .sub-nav-toggle i {
    color: var(--modern-accent-strong);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 230px;
    border-radius: 14px;
    border: 1px solid var(--modern-border);
    box-shadow: 0 18px 34px rgba(15, 52, 109, 0.16);
    padding: 8px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    z-index: 30;
}

.dropdown-menu a {
    display: block;
    border-radius: 11px;
    padding: 11px 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--modern-ink-700);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.dropdown-menu a:hover {
    background: #eaf3ff;
    color: var(--modern-ink-900);
    transform: translateX(2px);
}

.dropdown-menu a.active {
    background: linear-gradient(120deg, #e3f0ff 0%, #e7f7ff 100%);
    color: var(--modern-ink-900);
}

.sub-nav li.mobile-open .dropdown-menu {
    display: block;
}

.sub-nav-toggle .fa-caret-down {
    transition: transform 0.2s ease;
}

.sub-nav li.mobile-open .sub-nav-toggle .fa-caret-down {
    transform: rotate(180deg);
}

.back-button {
    border: 1px solid var(--modern-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.85);
    color: var(--modern-ink-700);
    font-weight: 600;
    box-shadow: var(--modern-shadow-soft);
}

.back-button:hover {
    background: #ffffff;
    color: var(--modern-ink-900);
}

.page-header {
    align-items: flex-end;
    gap: 10px;
    margin-bottom: 14px;
}

.page-title {
    margin: 0;
    font-size: clamp(1.5rem, 2.4vw, 2.05rem);
    color: var(--modern-ink-900);
}

.breadcrumb {
    color: var(--modern-ink-500);
    font-size: 13px;
}

.page-intro {
    background:
        linear-gradient(140deg, rgba(255, 255, 255, 0.94) 0%, rgba(236, 246, 255, 0.95) 100%);
    border: 1px solid var(--modern-border);
    border-radius: var(--modern-radius-lg);
    box-shadow: var(--modern-shadow-soft);
    padding: 18px 20px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.page-intro p {
    margin: 0;
    color: var(--modern-ink-700);
    line-height: 1.55;
}

.page-intro-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--modern-accent-soft);
    color: var(--modern-accent-strong);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 700;
}

.page-quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.quick-link-card {
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--modern-border);
    border-radius: var(--modern-radius-md);
    background: #ffffff;
    box-shadow: var(--modern-shadow-soft);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.quick-link-card i {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--modern-accent-soft);
    color: var(--modern-accent-strong);
    font-size: 14px;
}

.quick-link-title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--modern-ink-900);
}

.quick-link-text {
    margin: 0;
    font-size: 12px;
    color: var(--modern-ink-500);
}

.quick-link-card:hover {
    transform: translateY(-2px);
    border-color: #c1d7f9;
    box-shadow: 0 14px 28px rgba(20, 49, 95, 0.13);
}

.tabs--pill {
    margin-bottom: 18px;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    width: fit-content;
    max-width: 100%;
    background: rgba(228, 238, 255, 0.88);
    border: 1px solid var(--modern-border);
    padding: 6px;
    border-radius: 14px;
}

.tabs--pill .tab-btn {
    text-decoration: none;
    border: 0;
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    color: var(--modern-ink-700);
    border-radius: 10px;
    padding: 9px 14px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.tabs--pill .tab-btn.active {
    background: linear-gradient(120deg, #123872 0%, #1566d1 100%);
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(18, 56, 114, 0.32);
}

.tabs--pill .tab-btn:hover:not(.active) {
    background: rgba(13, 124, 157, 0.14);
    color: var(--modern-ink-900);
}

.card {
    border-radius: var(--modern-radius-lg);
    border: 1px solid var(--modern-border);
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: var(--modern-shadow);
    padding: 22px;
}

.empty-state {
    text-align: center;
    padding: 54px 18px;
}

.empty-state-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #d8ecff 0%, #e8f8ff 100%);
    color: #0f6994;
    font-size: 30px;
}

.empty-state-title {
    margin: 0 0 8px 0;
    color: var(--modern-ink-900);
}

.empty-state p {
    max-width: 560px;
    margin: 0 auto;
    color: var(--modern-ink-500);
    line-height: 1.5;
}

.empty-state-actions {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
    border: 1px solid transparent;
    background: linear-gradient(120deg, #11558f 0%, #0d7c9d 100%);
    color: #ffffff;
    box-shadow: 0 12px 20px rgba(17, 85, 143, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-secondary {
    border: 1px solid var(--modern-border);
    background: #ffffff;
    color: var(--modern-ink-700);
}

.btn-secondary:hover {
    background: #f3f8ff;
    color: var(--modern-ink-900);
}

.btn-sm {
    border-radius: 9px;
    padding: 8px 12px;
    font-size: 12px;
}

/* ── Brand text decorations ────────────────────────────────────── */
.logo .dashboard-brand-text {
    position: relative;
    padding-bottom: 4px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo .dashboard-brand-text::before {
    content: '';
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    background: url('../../images/okm-logo-mark.svg') center / contain no-repeat;
    filter: drop-shadow(0 3px 7px rgba(0, 0, 0, 0.35));
}

.logo .dashboard-brand-text::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 54px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #f59d2a 0%, #ffd5a1 100%);
}

/* ── Widget card header system ─────────────────────────────────── */
.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--modern-border);
}

.card-header-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--modern-accent-soft);
    color: var(--modern-accent-strong);
    font-size: 15px;
    flex-shrink: 0;
}

.card-header-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--modern-ink-900);
    font-family: var(--modern-font-heading);
}

.courses-toolbar {
    margin-bottom: 14px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--modern-border);
    background: #f3f8ff;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.toolbar-search {
    position: relative;
    flex: 1 1 260px;
}

.toolbar-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--modern-ink-500);
}

.toolbar-search input {
    width: 100%;
    border: 1px solid #c7d9f6;
    border-radius: 10px;
    background: #ffffff;
    color: var(--modern-ink-900);
    font-size: 14px;
    padding: 10px 12px 10px 36px;
}

.toolbar-search input:focus,
.toolbar-search input:focus-visible {
    outline: none;
    box-shadow: var(--modern-focus);
}

.toolbar-meta {
    margin: 0;
    font-size: 13px;
    color: var(--modern-ink-500);
    font-weight: 600;
}

#registeredCoursesList {
    display: grid;
    gap: 12px;
}

.course-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 0;
    border: 1px solid var(--modern-border);
    border-radius: 14px;
    background: #ffffff;
    padding: 15px 16px;
    box-shadow: var(--modern-shadow-soft);
}

.course-card > div {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.course-card-title {
    font-size: 16px;
    margin: 0;
    color: var(--modern-ink-900);
}

.course-card-meta {
    margin: 0;
    color: var(--modern-ink-500);
    font-size: 13px;
}

.course-card-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.empty-message {
    margin: 0;
    border: 1px dashed #bfd5f5;
    border-radius: 12px;
    background: #f2f8ff;
    padding: 16px;
    color: var(--modern-ink-500);
    text-align: center;
}

.table-toolbar {
    margin-bottom: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.table-note {
    margin: 0;
    color: var(--modern-ink-500);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.table-note i {
    color: var(--modern-accent);
}

.invoice-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border: 1px solid var(--modern-border);
    border-radius: 14px;
    background: #ffffff;
}

.invoice-table thead {
    background: #edf5ff;
}

.invoice-table th {
    color: var(--modern-ink-700);
    font-size: 13px;
    font-weight: 700;
    padding: 12px 14px;
}

.invoice-table td {
    padding: 12px 14px;
    border-top: 1px solid #e6eefc;
}

.invoice-table tbody tr:nth-child(even) {
    background: #fafcff;
}

.td-empty {
    text-align: center;
    color: var(--modern-ink-500);
    padding: 26px;
}

.invoice-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
}

.status-paid {
    color: #1f7f4f;
    background: var(--modern-success-soft);
}

.status-pending {
    color: #8a6000;
    background: var(--modern-warning-soft);
}

.status-overdue {
    color: #9a3f34;
    background: #fbe8e6;
}

.certificate-query-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.certificate-query-input-wrap {
    position: relative;
    flex: 1 1 280px;
    min-width: 0;
}

.certificate-query-input-wrap i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--modern-ink-500);
    pointer-events: none;
}

.certificate-query-form input {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--modern-border);
    border-radius: 10px;
    padding: 11px 12px 11px 36px;
    font-size: 14px;
    color: var(--modern-ink-900);
    background: #ffffff;
}

.certificate-query-form input:focus,
.certificate-query-form input:focus-visible {
    outline: none;
    box-shadow: var(--modern-focus);
}

.certificate-query-meta {
    margin: 0;
    color: var(--modern-ink-500);
    font-size: 13px;
}

.certificate-query-feedback {
    margin: 12px 0 0 0;
    font-size: 13px;
    font-weight: 600;
}

.certificate-query-feedback.is-success {
    color: #1f7f4f;
}

.certificate-query-feedback.is-error {
    color: #aa3f33;
}

.certificate-query-feedback.is-info {
    color: var(--modern-ink-500);
}

.certificate-query-results {
    margin-top: 16px;
    display: grid;
    gap: 12px;
}

.certificate-query-item {
    border: 1px solid var(--modern-border);
    border-radius: 12px;
    background: #ffffff;
    padding: 14px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.certificate-query-title {
    margin: 0;
    font-size: 16px;
    color: var(--modern-ink-900);
}

.certificate-query-sub {
    margin: 6px 0 0 0;
    font-size: 13px;
    color: var(--modern-ink-500);
}

.certificate-query-actions {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.certificate-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 700;
}

.certificate-status.is-valid {
    color: #1f7f4f;
    background: var(--modern-success-soft);
}

.certificate-status.is-pending {
    color: #8a6000;
    background: var(--modern-warning-soft);
}

.certificate-status.is-revoked {
    color: #9a3f34;
    background: #fbe8e6;
}

.text-link {
    color: var(--modern-accent-strong);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
}

.text-link:hover {
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: none;
    box-shadow: var(--modern-focus);
}

.footer {
    background: linear-gradient(96deg, #102347 0%, #0f5c85 100%);
    margin-top: 34px;
    letter-spacing: 0.2px;
}

.page-intro,
.page-quick-links .quick-link-card,
.card {
    animation: rise-in 0.45s ease both;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .sub-header {
        top: 0;
    }

    .sub-nav {
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .page-intro {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .sub-nav > li > a {
        padding: 10px 13px;
        border-radius: 12px;
    }

    .sub-nav li.mobile-open .dropdown-menu {
        position: static;
        min-width: 0;
        margin-top: 8px;
        padding: 9px;
        border-radius: 13px;
        border: 1px solid #d1e2fa;
        background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
        box-shadow: 0 10px 18px rgba(17, 57, 116, 0.1);
    }

    .sub-nav li.mobile-open .dropdown-menu a {
        font-size: 15px;
        padding: 12px;
    }

    .tabs--pill {
        width: 100%;
    }

    .tabs--pill .tab-btn {
        flex: 1 1 calc(50% - 8px);
    }

    .course-card {
        flex-direction: column;
    }

    .certificate-query-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .certificate-query-actions {
        width: 100%;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .page-quick-links {
        grid-template-columns: 1fr;
    }

    .tabs--pill .tab-btn {
        flex: 1 1 100%;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .empty-state-actions {
        width: 100%;
    }
}