:root {
    --app-bg: #211261;
    --app-bg-deeper: #140b3d;
    --app-bg-deepest: #0b061f;
    --app-surface: rgba(9, 27, 51, 0.72);
    --app-border: rgba(154, 201, 255, 0.18);
    --app-primary: #3d8bfd;
    --app-primary-strong: #1e6de0;
    --app-success: #50a684;
    --app-success-strong: #3f8a6d;
    --app-success-rgb: 80, 166, 132;
    --app-warning: #f68d2e;
    --app-warning-strong: #d9771f;
    --app-warning-rgb: 246, 141, 46;
    --app-highlight: #8fc7ff;
    --app-text: #f4f8ff;
    --app-text-soft: rgba(244, 248, 255, 0.72);
}

body {
    min-height: 100vh;
    font-family: 'Manrope', sans-serif;
    color: var(--app-text);
    background:
    radial-gradient(circle at top left, rgba(33, 18, 97, 0.26), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(20, 11, 61, 0.22), transparent 24%),
    linear-gradient(140deg, var(--app-bg) 0%, var(--app-bg-deeper) 55%, var(--app-bg-deepest) 100%);
}

.app-navbar {
    background: rgba(7, 22, 43, 0.72);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--app-border);
}

.brand-pill {
    padding: 0.9rem 1.35rem;
    border-radius: 999px;
    letter-spacing: 0.08em;
    font-weight: 800;
    color: var(--app-text);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(133, 173, 230, 0.12));
    border: 1px solid rgba(200, 224, 255, 0.22);
}

.brand-pill:hover,
.brand-pill:focus,
.app-link:hover,
.app-link:focus {
    color: white;
}

.app-link,
.text-soft,
.page-copy,
.form-label,
.small {
    color: var(--app-text-soft);
}

.user-chip {
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: rgba(145, 193, 255, 0.12);
    border: 1px solid var(--app-border);
    font-size: 0.9rem;
}

.min-vh-75 {
    min-height: 75vh;
}

.hero-panel,
.glass-card,
.content-card,
.metric-card {
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    backdrop-filter: blur(18px);
    box-shadow: 0 24px 60px rgba(2, 10, 22, 0.32);
}

.metric-card--active {
    border-color: rgba(61, 139, 253, 0.72);
    background: rgba(61, 139, 253, 0.15);
}

.hero-panel,
.content-card,
.metric-card {
    border-radius: 32px;
    padding: 2rem;
}

.hero-panel p {
    font-size: 0.9rem !important;
}

.glass-card {
    border-radius: 32px;
    background: linear-gradient(180deg, rgba(14, 37, 67, 0.86), rgba(9, 25, 48, 0.92));
}

.eyebrow {
    display: inline-flex;
    margin-bottom: 1rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(142, 194, 255, 0.12);
    color: var(--app-highlight);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.page-title {
    font-weight: 800;
    letter-spacing: -0.03em;
}

.credential-card {
    padding: 1.2rem 1.3rem;
    border-radius: 24px;
    background: rgba(143, 199, 255, 0.08);
    border: 1px solid rgba(143, 199, 255, 0.16);
}

.small-card {
    padding: 1rem 1.1rem;
}

.demo-line,
.list-row,
.course-row,
.stats-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.demo-line + .demo-line,
.list-row + .list-row {
    margin-top: 0.75rem;
}

.app-input {
    min-height: 52px;
    color: var(--app-text);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(191, 220, 255, 0.16);
    border-radius: 18px;
}

.app-input:focus {
    color: var(--app-text);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 171, 255, 0.72);
    box-shadow: 0 0 0 0.25rem rgba(61, 139, 253, 0.18);
}

/* Keep dropdown list items readable on native select menus. */
select.app-input option,
select.app-input optgroup {
    color: #111827;
    background-color: #ffffff;
}

.app-primary-btn {
    min-height: 50px;
    border: 0;
    border-radius: 18px;
    color: white;
    background: linear-gradient(135deg, var(--app-success), var(--app-success-strong));
    box-shadow: 0 18px 36px rgba(var(--app-success-rgb), 0.28);
}

.app-primary-btn:hover,
.app-primary-btn:focus,
.app-primary-btn:active {
    color: white;
    background: linear-gradient(135deg, var(--app-success-strong), #2f6f58);
}

.metric-card span,
.stats-strip span {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--app-text-soft);
}

.metric-card strong {
    display: block;
    font-size: clamp(2rem, 5vw, 2.6rem);
    line-height: 1;
}

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

.quick-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 96px;
    padding: 1rem;
    border-radius: 24px;
    color: var(--app-text);
    text-decoration: none;
    background: linear-gradient(180deg, rgba(140, 191, 255, 0.12), rgba(61, 139, 253, 0.08));
    border: 1px solid rgba(143, 199, 255, 0.14);
}

.quick-link:hover,
.quick-link:focus {
    color: white;
    transform: translateY(-2px);
}

.status-pill {
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(61, 139, 253, 0.18);
    color: var(--app-highlight);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: capitalize;
}

.status-pill-muted {
    background: rgba(var(--app-warning-rgb), 0.18);
    color: var(--app-warning);
}

.app-table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--app-text);
    --bs-table-border-color: rgba(255, 255, 255, 0.08);
}

.app-table thead th {
    color: var(--app-highlight);
    font-weight: 700;
    border-bottom-width: 1px;
}

.app-progress {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.app-progress .progress-bar {
    background: linear-gradient(90deg, var(--app-highlight), var(--app-primary));
}

.course-row {
    padding: 1.1rem 1.2rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.course-actions {
    min-width: 160px;
}

.textarea-input {
    min-height: 120px;
}

.module-card {
    padding: 1rem 1.1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.module-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    list-style: none;
}

.module-summary::-webkit-details-marker {
    display: none;
}

.module-detail-card {
    padding: 1.5rem;
}

.progress-xl {
    height: 16px;
}

.modal-content {
    background: linear-gradient(180deg, rgba(9, 27, 51, 0.96), rgba(11, 22, 59, 0.98));
    border: 1px solid var(--app-border);
    color: var(--app-text);
}

.modal-header,
.modal-footer {
    background: rgba(7, 22, 43, 0.92);
    border-color: var(--app-border);
}

.modal-title {
    color: var(--app-text);
}

.modal-content .form-check-label,
.modal-content .text-soft,
.modal-content .small,
.modal-content .form-label {
    color: var(--app-text-soft);
}

.modal-content .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.app-modal {
    background: linear-gradient(180deg, rgba(9, 27, 51, 0.96), rgba(11, 22, 59, 0.98));
    border: 1px solid var(--app-border);
    color: var(--app-text);
}

.app-modal .modal-header {
    background: rgba(7, 22, 43, 0.92);
    border-bottom: 1px solid var(--app-border);
}

.app-modal .modal-title {
    color: var(--app-text);
}

.certificate-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    margin: 0;
}

.certificate-shell {
    width: min(960px, 92vw);
    padding: 2rem;
}

.certificate-frame {
    padding: 3rem;
    border-radius: 40px;
    text-align: center;
    color: #e8edf5;
    border: 1px solid rgba(200, 224, 255, 0.22);
    background: linear-gradient(180deg, rgba(9, 27, 51, 0.92), rgba(16, 41, 77, 0.96));
    box-shadow: 0 24px 60px rgba(2, 10, 22, 0.32);
}

.certificate-topline {
    margin-bottom: 1.5rem;
    letter-spacing: 0.2em;
    color: #a8bcd4;
    font-weight: 800;
}

.certificate-frame h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
}

.certificate-frame h2,
.certificate-frame h3 {
    margin: 0.6rem 0;
    font-weight: 800;
}

.certificate-copy {
    margin: 1rem 0 0;
    color: #a8bcd4;
}

.certificate-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    color: #a8bcd4;
}

.alert-info,
.alert-success,
.alert-danger,
.alert-warning {
    color: white;
}

.alert-success {
    background: rgba(var(--app-success-rgb), 0.88);
}

.alert-danger {
    background: rgba(150, 34, 56, 0.9);
}

.alert-info {
    background: rgba(31, 90, 160, 0.85);
}

.alert-warning {
    background: rgba(var(--app-warning-rgb), 0.9);
}

.btn-success {
    background-color: var(--app-success);
    border-color: var(--app-success);
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
    background-color: var(--app-success-strong);
    border-color: var(--app-success-strong);
}

.btn-outline-success {
    color: var(--app-success);
    border-color: var(--app-success);
}

.btn-outline-success:hover,
.btn-outline-success:focus,
.btn-outline-success:active {
    color: white;
    background-color: var(--app-success);
    border-color: var(--app-success);
}

.btn-warning {
    color: white;
    background-color: var(--app-warning);
    border-color: var(--app-warning);
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
    color: white;
    background-color: var(--app-warning-strong);
    border-color: var(--app-warning-strong);
}

.btn-outline-warning {
    color: var(--app-warning);
    border-color: var(--app-warning);
}

.btn-outline-warning:hover,
.btn-outline-warning:focus,
.btn-outline-warning:active {
    color: white;
    background-color: var(--app-warning);
    border-color: var(--app-warning);
}

.text-success {
    color: var(--app-success) !important;
}

.text-warning {
    color: var(--app-warning) !important;
}

.bg-success {
    background-color: var(--app-success) !important;
}

.bg-warning {
    background-color: var(--app-warning) !important;
}

.border-success {
    border-color: var(--app-success) !important;
}

.border-warning {
    border-color: var(--app-warning) !important;
}

.btn-outline-light,
.btn-outline-danger {
    border-radius: 14px;
}

@media (max-width: 991px) {
    .hero-panel,
    .content-card,
    .metric-card,
    .glass-card {
        padding: 1.35rem;
        border-radius: 24px;
    }

    .demo-line,
    .list-row,
    .course-row,
    .stats-strip,
    .module-summary,
    .certificate-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ── Banner de plataforma ── */
.site-banner {
    width: 100%;
    line-height: 0;
}

.site-banner__img {
    display: block;
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    object-position: center;
}

/* ── Texto justificado global ── */
p,
.page-copy,
.form-label,
.modal-body p,
.credential-card p,
.content-card p,
.glass-card p,
.hero-panel p,
.module-card p,
li {
    text-align: justify;
}

/* ── Botones centrados ── */
.btn,
.app-primary-btn,
button,
input[type="submit"],
input[type="button"],
input[type="reset"] {
    text-align: center;
    justify-content: center;
}