:root {
    --app-primary: #1a1a2e;
    --app-primary-strong: #0f1219;
    --app-secondary: #5a6c7d;
    --app-muted: #8b95a5;
    --app-accent: #0066ff;
    --app-accent-light: #3d94ff;
    --app-bg: #f8f9fa;
    --app-surface: #ffffff;
    --app-text: #1a1a2e;
    --app-surface-soft: #f0f3f7;
    --app-surface-hover: #e8ecf1;
    --app-border: #dce3eb;
    --app-border-strong: #c5cfd9;
    --app-shadow-xs: 0 1px 2px rgba(26, 26, 46, 0.04);
    --app-shadow-sm: 0 2px 4px rgba(26, 26, 46, 0.06);
    --app-shadow: 0 4px 12px rgba(26, 26, 46, 0.08);
    --app-shadow-md: 0 8px 20px rgba(26, 26, 46, 0.1);
    --app-shadow-lg: 0 12px 32px rgba(26, 26, 46, 0.12);
    --app-shadow-hover: 0 12px 32px rgba(0, 102, 255, 0.15);
    --app-radius-sm: 8px;
    --app-radius: 12px;
    --app-radius-lg: 16px;
    --app-radius-xl: 20px;
    --app-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --app-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --app-transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    color: var(--app-text);
    font-family: "Manrope", sans-serif;
    background: var(--app-bg);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--app-transition);
}

a:hover {
    color: var(--app-accent);
}

/* NAVBAR */
.app-navbar {
    background: var(--app-surface);
    backdrop-filter: blur(10px);
    box-shadow: var(--app-shadow-sm);
    border-bottom: 1px solid var(--app-border);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--app-primary) !important;
    transition: transform var(--app-transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.nav-link {
    color: var(--app-secondary) !important;
    font-weight: 600;
    padding: 0.65rem 1.15rem !important;
    font-size: 0.95rem;
    transition: all var(--app-transition-fast);
    border-radius: var(--app-radius);
    position: relative;
}

.nav-link:hover {
    color: var(--app-accent) !important;
    background: rgba(0, 102, 255, 0.08);
    transform: translateY(-1px);
}

.nav-link:active {
    background: rgba(0, 102, 255, 0.15);
}

/* PILLS Y TAGS */
.eyebrow-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--app-accent);
    background: rgba(0, 102, 255, 0.12);
    border: 1px solid rgba(0, 102, 255, 0.25);
    text-transform: uppercase;
    transition: all var(--app-transition-fast);
}

.eyebrow-pill:hover {
    background: rgba(0, 102, 255, 0.18);
    border-color: rgba(0, 102, 255, 0.35);
    transform: translateY(-1px);
}

.eyebrow-pill.soft {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

.surface-label,
.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--app-border);
    background: var(--app-surface-soft);
    color: var(--app-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
    font-weight: 700;
    transition: all var(--app-transition-fast);
}

.surface-label:hover,
.feature-tag:hover {
    border-color: var(--app-accent);
    background: rgba(0, 102, 255, 0.08);
}

/* HERO SECTION */
.hero-section {
    position: relative;
}

.hero-preview {
    background: var(--app-surface);
    border-radius: var(--app-radius-lg);
    padding: 2rem;
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow);
    transition: all var(--app-transition);
}

.hero-preview:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
}

.preview-card {
    border-radius: var(--app-radius-lg);
    padding: 3rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.preview-card:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow);
}

.preview-card h2 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.2;
    color: var(--app-primary);
}

.preview-card p {
    color: var(--app-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 0;
}

.preview-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--app-accent);
    background: transparent;
    padding: 0.4rem 0;
    display: inline-flex;
    border: none;
    transition: all var(--app-transition-fast);
}

.preview-label:hover {
    transform: translateX(2px);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.preview-grid div {
    border: 1px solid var(--app-border);
    background: var(--app-surface-soft);
    padding: 1.5rem;
    border-radius: var(--app-radius);
    transition: all var(--app-transition);
    cursor: pointer;
}

.preview-grid div:hover {
    border-color: var(--app-accent);
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    transform: translateY(-2px);
}

.preview-grid small {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--app-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
    font-weight: 700;
}

.preview-grid strong {
    display: block;
    color: var(--app-primary);
    font-size: 1.2rem;
    font-weight: 700;
}

/* CARDS */
.feature-card,
.glass-card,
.stat-card,
.invitation-card,
.public-card,
.theme-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-lg);
    transition: all var(--app-transition);
    box-shadow: var(--app-shadow-sm);
}

.feature-card,
.stat-card,
.invitation-card,
.theme-card {
    border-radius: var(--app-radius-lg);
}

.feature-card {
    padding: 2rem;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    color: var(--app-primary);
}

.feature-card p,
.text-muted,
.form-text {
    color: var(--app-secondary) !important;
    font-size: 0.95rem;
    line-height: 1.7;
}

.feature-card:hover,
.stat-card:hover,
.invitation-card:hover,
.theme-card:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
    transform: translateY(-3px);
}

.stat-card {
    padding: 2rem;
}

.stat-card span {
    display: block;
    color: var(--app-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-card strong {
    display: block;
    margin-top: 1rem;
    font-size: clamp(2.2rem, 4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--app-primary);
    font-weight: 800;
}

.empty-state {
    text-align: center;
    padding: 3rem;
}

/* INVITATION CARDS */
.invitation-card {
    padding: 0;
    overflow: hidden;
}

.invitation-cover-placeholder {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #0066ff 0%, #4d9dff 100%);
    color: #ffffff;
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.08em;
    height: 220px;
    transition: transform var(--app-transition);
}

.invitation-card:hover .invitation-cover-placeholder {
    transform: scale(1.03);
}

.invitation-cover {
    width: 100%;
    height: 220px;
    border-radius: 0;
    object-fit: cover;
    transition: transform var(--app-transition);
}

.invitation-card:hover .invitation-cover {
    transform: scale(1.03);
}

.invitation-card-body {
    padding: 1.6rem;
}

.invitation-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--app-primary);
}

.invitation-card p {
    margin: 0 0 1.2rem;
    font-size: 0.9rem;
    color: var(--app-secondary);
}

.invitation-metrics,
.rsvp-summary,
.sync-metrics,
.theme-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 0;
}

.invitation-metrics span,
.rsvp-summary span,
.theme-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    background: var(--app-surface-soft);
    color: var(--app-secondary);
    border: 1px solid var(--app-border);
    font-weight: 600;
    transition: all var(--app-transition-fast);
}

.invitation-metrics span:hover,
.rsvp-summary span:hover,
.theme-meta span:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--app-accent);
}

/* PROFILE */
.profile-avatar {
    width: 140px;
    height: 140px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--app-accent) 0%, var(--app-accent-light) 100%);
    color: #fff;
    font-size: 3.2rem;
    font-weight: 800;
    overflow: hidden;
    box-shadow: var(--app-shadow-md);
    transition: all var(--app-transition);
}

.profile-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--app-shadow-lg);
}

/* IMAGES */
.media-thumb img,
.gallery-item img,
.gallery-preview {
    width: 100%;
    display: block;
    object-fit: cover;
    transition: transform var(--app-transition);
    border-radius: var(--app-radius);
}

.media-thumb img:hover,
.gallery-item img:hover,
.gallery-preview:hover {
    transform: scale(1.05);
}

.media-thumb img {
    border-radius: var(--app-radius);
}

.gallery-preview {
    height: 240px;
    border-radius: var(--app-radius-lg);
}

.gallery-item {
    display: block;
}

.gallery-item img {
    height: 180px;
    border-radius: var(--app-radius);
}

/* TABLE */
.table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(26, 26, 46, 0.02);
    --bs-table-hover-bg: rgba(0, 102, 255, 0.04);
    font-size: 0.95rem;
}

.table > :not(caption) > * > * {
    padding: 1.1rem 1.2rem;
    border-bottom-color: var(--app-border);
    transition: all var(--app-transition-fast);
}

.table tbody tr:hover {
    background: rgba(0, 102, 255, 0.02);
}

.table th {
    background: var(--app-surface-soft);
    font-weight: 700;
    color: var(--app-primary);
    border-bottom: 2px solid var(--app-border);
}

/* SYNC LOG */
.sync-log {
    min-height: 300px;
    max-height: 450px;
    overflow: auto;
    padding: 1.4rem;
    border-radius: var(--app-radius-lg);
    background: #1a1a2e;
    color: #cbd5e1;
    font-family: "Montserrat", monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.sync-log:focus {
    outline: none;
    border-color: var(--app-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.sync-metrics > div {
    flex: 1 1 150px;
    padding: 1.4rem;
    border-radius: var(--app-radius);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.sync-metrics > div:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-sm);
}

.sync-metrics small {
    display: block;
    color: var(--app-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sync-metrics strong {
    display: block;
    font-size: 1.5rem;
    margin-top: 0.8rem;
    font-weight: 800;
    color: var(--app-primary);
}

.install-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.3rem;
}

.install-summary.large {
    grid-template-columns: 1fr;
}

.install-summary > div {
    padding: 1.4rem;
    border-radius: var(--app-radius);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.install-summary > div:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-sm);
}

.install-summary small {
    display: block;
    color: var(--app-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.install-summary strong {
    display: block;
    margin-top: 0.8rem;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--app-primary);
}

/* PUBLIC INVITATION */
.public-invitation-page {
    background: var(--app-bg);
}

.public-wrapper {
    color: var(--invite-secondary);
}

.public-shell {
    max-width: 1200px;
}

.public-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--app-radius-xl);
    background: linear-gradient(145deg, var(--invite-primary), var(--invite-secondary));
    min-height: 500px;
    box-shadow: var(--app-shadow-md);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.public-cover {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.public-overlay {
    position: relative;
    z-index: 2;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3.5rem;
    color: #fff;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.7));
}

.public-overlay h1,
.hero-copy h1,
.hero-minimal h1,
.invite-panel h2 {
    font-family: var(--invite-font);
}

.public-overlay h1,
.hero-copy h1,
.hero-minimal h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin: 1.5rem 0 1rem;
    line-height: 1.1;
    letter-spacing: -0.04em;
    font-weight: 800;
}

.public-subtitle {
    font-size: 1.1rem;
    max-width: 700px;
    opacity: 0.95;
    line-height: 1.8;
}

.public-subtitle.dark {
    color: var(--invite-secondary);
    opacity: 1;
}

.public-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.8rem;
}

.public-meta span {
    padding: 0.7rem 1.3rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--app-transition-fast);
    cursor: pointer;
}

.public-meta span:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.public-meta.dark span {
    background: var(--app-surface);
    border-color: var(--app-border);
    color: var(--invite-secondary);
}

.public-meta.dark span:hover {
    box-shadow: var(--app-shadow-sm);
}

.public-content {
    margin-top: 2rem;
}

.public-grid {
    display: grid;
    gap: 1.8rem;
}

.public-grid-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.82fr);
    align-items: start;
}

.public-stack {
    display: grid;
    gap: 1.8rem;
}

.theme-layout-editorial .public-stack {
    grid-template-columns: 1.08fr 0.92fr;
}

.theme-layout-gallery-first .public-stack > .section-gallery {
    order: -1;
    grid-column: 1 / -1;
}

.theme-layout-centered .public-shell {
    max-width: 1000px;
}

.theme-layout-editorial .section-rsvp,
.theme-layout-editorial .section-map {
    grid-column: 1 / -1;
}

.invite-panel {
    padding: 2.2rem;
    border-radius: var(--app-radius-lg);
    background: var(--app-surface);
    color: var(--invite-primary);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow);
    transition: all var(--app-transition);
}

.invite-panel:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
}

.theme-card-outline .invite-panel {
    box-shadow: none;
    border-color: var(--app-border-strong);
}

.theme-card-airy .invite-panel {
    padding: 2.6rem;
}

.section-heading {
    margin-bottom: 1.4rem;
}

.section-heading h2 {
    margin-bottom: 0.4rem;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    letter-spacing: -0.03em;
    font-weight: 700;
    color: var(--app-primary);
}

.section-kicker {
    display: inline-flex;
    margin-bottom: 0.7rem;
    color: var(--app-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.7rem;
    font-weight: 700;
    transition: all var(--app-transition-fast);
}

.section-kicker:hover {
    transform: translateX(2px);
}

.section-copy {
    color: var(--invite-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.section-copy.compact {
    margin: 0;
    line-height: 1.6;
}

.public-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 1.8rem;
}

.public-detail-grid div {
    padding: 1.3rem;
    border-radius: var(--app-radius);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.public-detail-grid div:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-sm);
}

.public-detail-grid small {
    display: block;
    color: var(--app-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.public-detail-grid strong {
    display: block;
    margin-top: 0.6rem;
    color: var(--app-primary);
    font-weight: 700;
}

/* MAP */
.map-frame {
    overflow: hidden;
    border-radius: var(--app-radius-lg);
    min-height: 320px;
    border: 1px solid var(--app-border);
    background: var(--app-surface-soft);
    transition: all var(--app-transition);
}

.map-frame:hover {
    border-color: var(--app-accent);
}

.map-frame iframe {
    width: 100%;
    height: 360px;
    border: 0;
}

/* ALERTS */
.sticky-card {
    position: sticky;
    top: 1.5rem;
}

.floating-alerts {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1055;
    pointer-events: none;
}

.floating-alerts .alert {
    pointer-events: auto;
}

.alert {
    border-radius: var(--app-radius-lg);
    border: 1px solid;
    font-size: 0.9rem;
    animation: slideDown var(--app-transition);
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* BUTTONS */
.btn {
    border-radius: var(--app-radius-lg);
    font-weight: 700;
    padding: 0.95rem 1.8rem;
    letter-spacing: -0.01em;
    font-size: 0.95rem;
    border: none;
    transition: all var(--app-transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.65rem 1.2rem;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--app-accent);
    border-color: var(--app-accent);
    color: #ffffff;
    box-shadow: var(--app-shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background: var(--app-accent-light);
    border-color: var(--app-accent-light);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--app-shadow-hover);
}

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.2);
}

.btn-outline-primary {
    color: var(--app-accent);
    border: 2px solid var(--app-accent);
    background: transparent;
    transition: all var(--app-transition-fast);
}

.btn-outline-primary:hover:not(:disabled) {
    color: #ffffff;
    background: var(--app-accent);
    border-color: var(--app-accent);
    transform: translateY(-2px);
    box-shadow: var(--app-shadow-hover);
}

.btn-outline-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.2);
}

.btn-outline-secondary,
.btn-outline-dark,
.btn-outline-danger {
    border-radius: var(--app-radius-lg);
    border-color: var(--app-border-strong);
    transition: all var(--app-transition-fast);
}

.btn-outline-secondary:hover:not(:disabled),
.btn-outline-dark:hover:not(:disabled),
.btn-outline-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--app-shadow-sm);
}

/* FORMS */
.form-control,
.form-select {
    min-height: 48px;
    border-radius: var(--app-radius-lg);
    border: 1.5px solid var(--app-border);
    background: var(--app-surface);
    box-shadow: none;
    font-size: 0.95rem;
    padding: 0.95rem 1.15rem;
    color: var(--app-primary);
    transition: all var(--app-transition-fast);
}

.form-control:hover,
.form-select:hover {
    border-color: var(--app-border-strong);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--app-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--app-muted);
}

.form-control-color {
    min-height: 48px;
    padding: 0.4rem;
    border-radius: var(--app-radius-lg);
    cursor: pointer;
    transition: all var(--app-transition-fast);
}

.form-control-color:hover {
    border-color: var(--app-accent);
}

.form-check-input {
    transition: all var(--app-transition-fast);
    border-radius: 4px;
}

.form-check-input:hover {
    border-color: var(--app-accent);
}

.form-check-input:checked {
    background-color: var(--app-accent);
    border-color: var(--app-accent);
}

.form-check-input:focus {
    border-color: var(--app-accent);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 255, 0.25);
}

/* INSTALL PAGE */
.install-page {
    background: var(--app-bg);
}

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

.install-steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.install-step {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.1rem 1.3rem;
    border-radius: var(--app-radius);
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    color: var(--app-muted);
    box-shadow: var(--app-shadow-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--app-transition);
}

.install-step:hover {
    border-color: var(--app-border-strong);
    box-shadow: var(--app-shadow);
}

.install-step span {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--app-surface-soft);
    font-weight: 700;
    flex-shrink: 0;
    color: var(--app-secondary);
    transition: all var(--app-transition-fast);
}

.install-step.active {
    color: var(--app-accent);
    border-color: var(--app-accent);
    background: rgba(0, 102, 255, 0.05);
}

.install-step.active span,
.install-step.done span {
    background: var(--app-accent);
    color: #fff;
}

.install-step.done {
    color: var(--app-primary);
}

.check-card {
    padding: 1.3rem;
    border-radius: var(--app-radius);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.check-card:hover {
    border-color: var(--app-border-strong);
}

.check-card.ok {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
}

.check-card.warn {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
}

.check-card.fail {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.install-note {
    color: var(--app-secondary);
    font-size: 0.9rem;
    padding: 1.3rem;
    border-radius: var(--app-radius);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.install-note:hover {
    border-color: var(--app-accent);
}

/* CONTROL SECTIONS */
.control-hero {
    padding: 2.4rem;
    border-radius: var(--app-radius-lg);
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    transition: all var(--app-transition);
}

.control-hero:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
}

.control-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 2rem;
    align-items: stretch;
}

.section-shell {
    padding: 2.2rem;
    border-radius: var(--app-radius-lg);
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    transition: all var(--app-transition);
}

.section-shell:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
}

.collection-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.8rem;
    flex-wrap: wrap;
    margin-bottom: 1.8rem;
}

.collection-head > div {
    flex: 1;
    min-width: 260px;
}

.collection-head h2 {
    margin: 0 0 0.4rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--app-primary);
}

.collection-head p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--app-secondary);
}

.empty-shell {
    padding: 2.4rem;
    text-align: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0.55rem 1.8rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    transition: all var(--app-transition-fast);
}

.status-pill:hover {
    transform: translateY(-1px);
}

.status-pill.is-live {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: #15803d;
}

.status-pill.is-muted {
    background: var(--app-surface-soft);
    border-color: var(--app-border);
    color: var(--app-secondary);
}

.status-pill.is-info {
    background: rgba(0, 102, 255, 0.15);
    border-color: rgba(0, 102, 255, 0.3);
    color: var(--app-accent);
}

.status-pill.is-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: #b45309;
}

.status-pill.is-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #b91c1c;
}

/* TYPOGRAPHY */
.page-title {
    font-size: clamp(2.6rem, 5vw, 3.9rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
    font-weight: 800;
    color: var(--app-primary);
    margin: 0 0 0.8rem;
}

.page-copy {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--app-secondary);
    max-width: 44rem;
    margin: 0;
}

.landing-title {
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
    font-weight: 800;
    color: var(--app-primary);
}

.landing-lead {
    max-width: 44rem;
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--app-secondary);
}

.hero-aside-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
    border-radius: var(--app-radius-lg);
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    transition: all var(--app-transition);
}

.hero-aside-card:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
    transform: translateY(-2px);
}

.hero-aside-card > small {
    display: block;
    color: var(--app-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
    font-weight: 800;
}

.hero-aside-card > strong {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
    margin-bottom: 0.8rem;
    font-weight: 800;
    color: var(--app-primary);
}

.hero-aside-card p {
    color: var(--app-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-top: 0.8rem;
    margin-bottom: 0;
}

.hero-mini-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.hero-mini-stats > div {
    padding: 1.2rem;
    border-radius: var(--app-radius);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: all var(--app-transition);
}

.hero-mini-stats > div:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-sm);
}

.hero-mini-stats span {
    display: block;
    color: var(--app-muted);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-mini-stats strong {
    display: block;
    margin-top: 0.7rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--app-primary);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.3rem;
}

.landing-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.3rem;
}

.landing-metrics > div {
    padding: 1.5rem;
    border-radius: var(--app-radius-lg);
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    box-shadow: var(--app-shadow-sm);
    transition: all var(--app-transition);
}

.landing-metrics > div:hover {
    border-color: var(--app-accent);
    box-shadow: var(--app-shadow-md);
    transform: translateY(-2px);
}

.landing-metrics small {
    display: block;
    color: var(--app-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
    font-weight: 800;
}

.landing-metrics strong {
    display: block;
    margin-top: 0.7rem;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--app-primary);
}

/* MISC */
code {
    color: var(--app-accent);
    background: rgba(0, 102, 255, 0.12);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid rgba(0, 102, 255, 0.2);
    font-family: "Montserrat", monospace;
}

/* PROGRESS */
.progress {
    height: 8px;
    background: var(--app-surface-soft);
    border-radius: var(--app-radius-lg);
    overflow: hidden;
    box-shadow: var(--app-shadow-xs);
}

.progress-bar {
    background: linear-gradient(90deg, var(--app-accent), var(--app-accent-light));
    border-radius: var(--app-radius-lg);
    transition: width var(--app-transition);
}

/* RESPONSIVE */
@media (max-width: 1199px) {
    .landing-grid,
    .control-hero-grid,
    .feature-grid-modern,
    .invitation-grid-modern,
    .theme-library-grid,
    .public-grid-split,
    .theme-layout-editorial .public-stack,
    .hero-split-content {
        grid-template-columns: 1fr;
    }

    .feature-card-wide {
        grid-column: span 1;
    }

    .sticky-card {
        position: static;
    }

    .control-hero-grid {
        gap: 1.5rem;
    }
}

@media (max-width: 991px) {
    .landing-metrics,
    .landing-note-grid,
    .metric-grid,
    .hero-mini-stats,
    .preview-grid,
    .public-detail-grid,
    .gallery-style-grid,
    .gallery-style-masonry,
    .install-steps,
    .sync-metrics {
        grid-template-columns: 1fr;
    }

    .hero-section .display-5 {
        max-width: none;
    }

    .control-hero,
    .public-overlay,
    .hero-copy,
    .hero-minimal,
    .invite-panel,
    .feature-card,
    .glass-card,
    .stat-card,
    .theme-card {
        padding: 1.6rem;
    }

    .control-hero-grid {
        gap: 1.2rem;
    }

    .sync-log {
        font-size: 0.85rem;
    }

    .collection-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .status-pill {
        align-self: flex-start;
    }
}

@media (max-width: 767px) {
    .hero-preview,
    .public-hero,
    .glass-card,
    .control-hero,
    .section-shell {
        border-radius: var(--app-radius-lg);
    }

    .page-title,
    .landing-title {
        font-size: 2.4rem;
    }

    .public-overlay,
    .hero-minimal,
    .hero-copy {
        min-height: auto;
        padding: 2.2rem;
    }

    .public-overlay h1,
    .hero-copy h1,
    .hero-minimal h1 {
        font-size: 2.2rem;
    }

    .install-summary,
    .sync-metrics {
        grid-template-columns: 1fr;
    }

    .public-overlay {
        min-height: 360px;
    }

    .install-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .preview-grid {
        gap: 1rem;
    }

    .btn {
        padding: 0.85rem 1.5rem;
        font-size: 0.9rem;
    }

    .form-control,
    .form-select {
        min-height: 44px;
        padding: 0.8rem 1rem;
    }
}

/* Ultra small screens (< 480px) */
@media (max-width: 479px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .page-title,
    .landing-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .h2 {
        font-size: 1.5rem;
    }

    .h3 {
        font-size: 1.25rem;
    }

    .h4 {
        font-size: 1.1rem;
    }

    .glass-card,
    .control-hero,
    .hero-copy,
    .hero-minimal,
    .public-overlay {
        padding: 1.2rem;
        border-radius: var(--app-radius-lg);
    }

    .row {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }

    .row > [class*="col-"] {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .g-4 {
        gap: 1rem;
    }

    .g-3 {
        gap: 0.75rem;
    }

    .btn {
        padding: 0.75rem 1.2rem;
        font-size: 0.85rem;
        width: 100%;
    }

    .btn-sm {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }

    .form-control,
    .form-select,
    .form-label {
        font-size: 0.95rem;
    }

    .sync-log {
        font-size: 0.8rem;
        padding: 0.75rem;
        max-height: 200px;
    }

    .sync-metrics {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .sync-metrics > div {
        padding: 0.75rem;
    }

    .sync-metrics > div small {
        font-size: 0.75rem;
    }

    .sync-metrics > div strong {
        font-size: 1.1rem;
    }

    .status-pill {
        font-size: 0.75rem;
        padding: 0.35rem 0.9rem;
    }

    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table {
        font-size: 0.85rem;
    }

    .progress {
        height: 6px;
    }

    .spinner-border {
        width: 1rem;
        height: 1rem;
    }

    .spinner-border-sm {
        width: 0.8rem;
        height: 0.8rem;
    }

    /* Mejora de tap targets para móvil */
    button,
    a.btn,
    input[type="checkbox"],
    input[type="radio"] {
        min-height: 44px;
        min-width: 44px;
    }

    /* Mejora de espaciado en formularios */
    .form-group,
    .mb-3 {
        margin-bottom: 0.75rem;
    }

    .mt-3 {
        margin-top: 0.75rem;
    }

    /* Ajustes de grid para móvil */
    .collection-head {
        flex-direction: column;
        gap: 0.75rem;
    }

    .collection-head > div {
        width: 100%;
    }

    /* Ocultar elementos menos importantes en móvil */
    .hero-aside-card {
        margin-top: 1rem;
    }
}