/* Estilos generales */
:root {
    color-scheme: light;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --bg-surface: #f5f7fb;
    --bg-panel: #ffffff;
    --text-primary: #111827;
    --text-muted: #6b7280;
    --border: #d8dee8;
    --accent: #0f766e;
    --accent-soft: rgba(15, 118, 110, 0.12);
    --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-surface) 100%);
    color: var(--text-primary);
}
a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
button,
input,
textarea,
select {
    font: inherit;
}
button {
    border: none;
}
img {
    max-width: 100%;
    display: block;
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 18px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(13, 110, 253, 0.18);
}
.button.secondary {
    background: #475569;
}
.button.danger {
    background: #ef4444;
}
.button.small {
    padding: 10px 14px;
    font-size: 0.95rem;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #ffffff;
    padding: 14px 16px;
    color: var(--text-primary);
    outline: none;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
input:focus,
textarea:focus,
select:focus {
    border-color: rgba(15, 118, 110, 0.65);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}
textarea {
    min-height: 110px;
    resize: vertical;
}
label {
    display: grid;
    gap: 0.55rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Admin */
.admin-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}
.admin-header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
    margin-bottom: 30px;
    padding: 26px 28px;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(216,222,232,0.95);
    border-radius: 14px;
    box-shadow: var(--shadow);
}
.admin-header h1 {
    margin: 0;
    font-size: clamp(2rem, 2.6vw, 2.8rem);
    line-height: 1.05;
}
.admin-header p {
    margin: 12px 0 0;
    color: var(--text-muted);
}
.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
}

.admin-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
    gap: 28px;
    align-items: start;
}
.admin-form-card,
.admin-sidebar,
.admin-preview-card {
    background: #ffffff;
    border: 1px solid rgba(216,222,232,0.95);
    border-radius: 14px;
    padding: 28px;
    box-shadow: var(--shadow);
}
.admin-form-card h2,
.admin-sidebar h2,
.admin-preview-card h2 {
    margin-top: 0;
    font-size: 1.4rem;
}
.admin-side-stack {
    display: grid;
    gap: 22px;
    position: sticky;
    top: 20px;
}
.admin-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}
.admin-preview-header h2 {
    margin: 0;
}
.admin-preview-header a {
    font-size: 0.9rem;
    font-weight: 700;
}
.single-preview {
    --preview-bg: #ffffff;
    --preview-text: #111827;
    --preview-accent: #0f766e;
    border: 1px solid rgba(216,222,232,0.95);
    border-radius: 14px;
    overflow: hidden;
    background: var(--preview-bg);
    color: var(--preview-text);
}
.preview-top {
    background: var(--preview-accent);
    color: #ffffff;
    padding: 26px 18px 64px;
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 10px;
}
.preview-logo {
    width: 86px;
    aspect-ratio: 1;
    border-radius: 999px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: rgba(25, 33, 95, 0.55);
    color: #ffffff;
    font-weight: 800;
}
.preview-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}
.preview-top h3 {
    margin: 6px 0 0;
    font-size: 2rem;
    line-height: 1.05;
    color: #ffffff;
}
.preview-top p {
    margin: 0;
}
.preview-top #preview-brand {
    color: rgba(255,255,255,0.9);
    font-weight: 700;
}
.preview-top #preview-heading {
    max-width: 320px;
    color: rgba(255,255,255,0.86);
    font-size: 0.92rem;
    line-height: 1.5;
    white-space: pre-line;
}
.preview-social {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}
.preview-social:empty {
    display: none;
}
.preview-social span {
    padding: 7px 10px;
    border-radius: 8px;
    background: rgba(255,255,255,0.14);
    font-size: 0.82rem;
    font-weight: 700;
}
.preview-banner {
    width: calc(100% - 34px);
    margin: -42px auto 0;
    border-radius: 14px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.08);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.16);
}
.preview-banner img {
    width: 100%;
    height: auto;
    display: block;
}
.preview-banner span {
    min-height: 130px;
    display: grid;
    place-items: center;
    color: rgba(15, 23, 42, 0.5);
    font-weight: 800;
}
.preview-body {
    padding: 20px 18px 22px;
    display: grid;
    gap: 14px;
}
.preview-body p {
    margin: 0;
    line-height: 1.55;
    font-size: 0.92rem;
    white-space: pre-line;
}
.preview-links {
    display: grid;
    gap: 8px;
}
.preview-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--preview-bg) 86%, #ffffff);
    border: 1px solid color-mix(in srgb, var(--preview-accent) 14%, rgba(216,222,232,0.95));
    font-weight: 700;
    font-size: 0.9rem;
}
.preview-link span:last-child {
    color: var(--preview-accent);
    font-size: 0.8rem;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.full-width {
    grid-column: span 2;
}
fieldset {
    border: 1px solid rgba(216,222,232,0.95);
    border-radius: 12px;
    padding: 18px;
    margin: 24px 0 0;
    background: #f8fafc;
}
legend {
    padding: 0 8px;
    font-weight: 700;
    color: var(--text-primary);
}
.form-actions {
    margin-top: 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.alert {
    padding: 18px 20px;
    border-radius: 10px;
    margin-bottom: 26px;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.05);
}
.alert.success {
    background: #effdf4;
    color: #166534;
}
.alert.error {
    background: #fff1f2;
    color: #b91c1c;
}
.admin-sidebar {
    display: grid;
    gap: 18px;
}
.admin-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}
.admin-sidebar-header h2 {
    margin: 0;
}
.sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}
.sidebar-list li {
    padding: 16px 18px;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid rgba(216,222,232,0.95);
}
.sidebar-list a {
    font-weight: 700;
    color: var(--text-primary);
}
.sidebar-list small {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
}
.page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}
.page-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(216,222,232,0.95);
}
.page-card h3 {
    margin: 0 0 12px;
    font-size: 1.15rem;
}
.page-card p {
    margin: 0 0 8px;
    color: var(--text-muted);
}
.page-card-actions {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Single page */
.single-page {
    --bg: var(--single-body-color, var(--single-bg, #ffffff));
    --text: var(--single-text, #111827);
    --accent: var(--single-top-color, var(--single-accent, #0f766e));
    background: var(--bg);
    color: var(--text);
}
.single-top {
    position: relative;
    background: var(--accent);
    color: #ffffff;
    padding: 36px 20px 132px;
    overflow: hidden;
}
.single-top-inner {
    position: relative;
    z-index: 2;
    width: min(720px, 100%);
    margin: 0 auto;
    padding-bottom: 64px;
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 18px;
}
.single-top .single-logo-block {
    display: grid;
    justify-items: center;
    gap: 18px;
}
.single-top .single-logo-block > div {
    display: grid;
    gap: 10px;
}
.single-logo-block {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
}
.single-logo-block img {
    width: clamp(104px, 15vw, 190px);
    min-width: clamp(104px, 15vw, 190px);
    aspect-ratio: 1;
    border-radius: 999px;
    object-fit: contain;
    background: rgba(25, 33, 95, 0.55);
    padding: 18px;
    border: none;
    box-shadow: 0 16px 40px rgba(8, 12, 40, 0.18);
}
.single-logo-block h1 {
    margin: 0;
    font-size: clamp(2.3rem, 6vw, 4.6rem);
    line-height: 1.06;
    letter-spacing: 0;
    color: #ffffff;
}
.brand-name-block {
    margin: 0;
    font-size: clamp(1rem, 2.2vw, 1.35rem);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
}
.single-banner-card {
    position: relative;
    z-index: 3;
    width: min(1080px, calc(100% - 40px));
    margin: -52px auto 0;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.22);
}
.single-banner-card img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}
.single-banner-empty {
    min-height: clamp(220px, 30vw, 360px);
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
}
.single-header-copy {
    margin: 0;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.65;
    font-size: clamp(1rem, 2vw, 1.18rem);
}
.single-social {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}
.single-social a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    font-weight: 700;
}
.single-social a i {
    color: #ffffff;
}
.single-main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 20px 64px;
    display: grid;
    gap: 24px;
    background: var(--bg);
}
.single-copy {
    padding: clamp(20px, 3vw, 30px);
    border-radius: 12px;
    background: color-mix(in srgb, var(--bg) 94%, #ffffff);
    border: 1px solid color-mix(in srgb, var(--accent) 12%, rgba(216,222,232,0.95));
    line-height: 1.9;
    color: var(--text);
}
.single-copy span {
    display: inline-flex;
    margin-bottom: 12px;
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}
.single-copy p {
    margin: 0;
}
.single-video {
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
}
.single-video iframe {
    display: block;
    width: 100%;
    height: 520px;
}
.single-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}
.single-card {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-radius: 12px;
    overflow: hidden;
    color: var(--text);
    text-decoration: none;
    background: color-mix(in srgb, var(--bg) 90%, #ffffff);
    border: 1px solid color-mix(in srgb, var(--accent) 14%, rgba(216,222,232,0.95));
    box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.single-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 54px rgba(15, 23, 42, 0.12);
    text-decoration: none;
}
.single-card img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}
.single-card-body {
    padding: 20px;
    display: grid;
    gap: 14px;
}
.single-card-title {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.4;
    font-weight: 700;
}
.single-card-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: fit-content;
    padding: 12px 18px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
}
.single-card-cta i {
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .admin-panel {
        grid-template-columns: 1fr;
    }
    .admin-side-stack {
        position: static;
    }
    .form-grid,
    .admin-header {
        grid-template-columns: 1fr;
    }
    .single-video iframe {
        height: 320px;
    }
}

@media (max-width: 640px) {
    body {
        background: #f8fafc;
    }
    .admin-shell {
        padding: 20px 14px 48px;
    }
    .admin-header {
        padding: 22px 18px;
    }
    .button,
    .single-social a {
        width: 100%;
    }
    .page-card,
    .sidebar-list li {
        padding: 18px;
    }
    .single-top {
        padding-top: 28px;
        padding-bottom: 104px;
        padding-inline: 14px;
    }
    .single-top-inner {
        padding-bottom: 52px;
    }
    .single-main {
        padding-top: 24px;
        padding-inline: 14px;
    }
    .single-logo-block img {
        width: 96px;
        min-width: 96px;
    }
    .single-banner-card {
        width: calc(100% - 28px);
        margin-top: -36px;
        border-radius: 16px;
    }
    .single-video iframe {
        height: 240px;
    }
}

/* Login */
.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(180deg, #eef6ff 0%, #ffffff 100%);
}
.login-card {
    width: min(460px, 100%);
    background: #ffffff;
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.12);
}
.login-card h1 {
    margin: 0 0 10px;
    font-size: 2rem;
}
.login-card p {
    margin: 0 0 24px;
    color: var(--text-muted);
}
.login-card label {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}
.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(216,222,232,0.95);
    border-radius: 10px;
    background: #f9fafb;
}

.dynamic-list {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
}
.dynamic-row,
.dynamic-card-row {
    display: grid;
    gap: 12px;
    padding: 18px;
    border: 1px solid rgba(216,222,232,0.95);
    border-radius: 12px;
    background: #f8fafc;
}
.dynamic-card-row label {
    display: grid;
    gap: 10px;
}