:root {
    /* Fondo general */
    --bg: #131313;
    --bg-glow: rgba(153, 149, 149, 0.14);

    /* Tarjetas y superficies */
    --card: #990000;
    --card-soft: #333333;
    --surface: #131313;

    /* Textos */
    --text: #FFFFFF;
    --text-dark: #131313;
    --muted: #FFFFFF;
    --placeholder: #999595;

    /* Color principal */
    --primary: #990000;
    --primary-hover: #99070E;
    --primary-soft: #d9d5d5;
    --primary-contrast: #131313;

    /* Bordes */
    --border: #FFFFFF;

    /* Estados */
    --success: #147a51;
    --success-bg: #e9f8f1;
    --danger: #b83343;
    --danger-hover: #932735;
    --danger-bg: #fff0f2;
    --online: #d9d5d5;

    /* Sombras */
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
    --brand-shadow: 0 10px 25px rgba(0, 0, 0, 0.30);
    --focus-ring: 0 0 0 4px rgba(217, 213, 213, 0.18);
    --online-ring: 0 0 0 5px rgba(217, 213, 213, 0.15);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, var(--bg-glow), transparent 32rem),
        var(--bg);
}

a {
    color: inherit;
}

button,
input,
textarea,
select {
    font: inherit;
}

.page-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 64px 0 32px;
}

.page-shell.narrow {
    width: min(720px, calc(100% - 32px));
}

.hero {
    max-width: 800px;
    text-align: center;
    margin: 0 auto 36px;
}

.brand-mark {
    width: 180px;
    height: 180px;
    display: grid;
    place-items: center;
    margin: 0 auto 16px;
    border-radius: 18px;
    color: var(--primary-contrast);
    background: linear-gradient(145deg, var(--primary), var(--primary-hover));
    box-shadow: var(--brand-shadow);
    font-size: 24px;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--primary-hover);
    font-size: 0.77rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

h1,
h2 {
    margin-top: 0;
    letter-spacing: -0.035em;
}

h1 {
    margin-bottom: 14px;
    font-size: clamp(2.1rem, 5vw, 4rem);
    line-height: 1.02;
}

h2 {
    margin-bottom: 8px;
    font-size: clamp(1.55rem, 3vw, 2.15rem);
}

.intro,
.section-description {
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.hero-actions,
.button-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-actions {
    justify-content: center;
    margin-top: 24px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: clamp(22px, 4vw, 38px);
    color: var(--text);
}

.form-card {
    max-width: 820px;
    margin: 0 auto 34px;
}

.form-stack {
    display: grid;
    gap: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

label {
    display: grid;
    gap: 8px;
    font-weight: 750;
    font-size: 0.95rem;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 15px;
    background: var(--surface);
    color: var(--text);
    outline: none;
    transition: 0.2s ease;
}

input::placeholder,
textarea::placeholder {
    color: var(--placeholder);
}

textarea {
    resize: vertical;
    line-height: 1.5;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-hover);
    box-shadow: var(--focus-ring);
    background: var(--surface);
}

.field-help,
.small {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border: 0;
    border-radius: 14px;
    padding: 0 20px;
    color: var(--primary-contrast);
    background: var(--primary);
    text-decoration: none;
    font-weight: 800;
    cursor: pointer;
    transition: 0.18s ease;
}

.button:hover {
    background: var(--primary-hover);
    color: var(--primary-contrast);
    transform: translateY(-1px);
}

.button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.button.secondary {
    color: var(--text);
    background: var(--card-soft);
    border: 1px solid var(--border);
}

.button.compact {
    min-height: 40px;
    padding: 0 15px;
    font-size: 0.9rem;
}

.danger-button {
    background: var(--danger);
    color: var(--text);
}

.danger-button:hover {
    background: var(--danger-hover);
    color: var(--text);
}

.alert {
    margin: 0 0 20px;
    padding: 14px 16px;
    border-radius: 14px;
    line-height: 1.5;
}

.alert.success {
    color: var(--success);
    background: var(--success-bg);
}

.alert.error {
    color: var(--danger);
    background: var(--danger-bg);
}

.honeypot {
    position: absolute !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.privacy-note {
    display: grid;
    gap: 7px;
    max-width: 820px;
    margin: 0 auto 28px;
    color: var(--muted);
    line-height: 1.55;
}

.privacy-note strong {
    color: var(--text);
}

.chat-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 22px;
    align-items: start;
    margin-bottom: 34px;
}

.chat-main {
    padding: 26px;
}

.chat-heading,
.section-heading,
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.status-pill,
.category-badge {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 7px 11px;
    color: var(--muted);
    background: var(--card-soft);
    font-size: 0.78rem;
    font-weight: 800;
}

.status-pill.active {
    color: var(--primary-contrast);
    background: var(--primary-soft);
    border-color: var(--primary);
}

.identity-card {
    margin: 12px 0 18px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary-contrast);
    font-size: 0.9rem;
}

.chat-messages {
    height: 470px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
}

.chat-empty {
    margin: auto;
    color: var(--muted);
    text-align: center;
}

.chat-message {
    align-self: flex-start;
    max-width: min(78%, 620px);
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: 7px 16px 16px 16px;
    background: var(--card);
    color: var(--text);
}

.chat-message.mine {
    align-self: flex-end;
    color: var(--primary-contrast);
    border-color: transparent;
    border-radius: 16px 7px 16px 16px;
    background: var(--primary-hover);
}

.message-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 5px;
    font-size: 0.75rem;
    color: var(--muted);
}

.chat-message.mine .message-meta {
    color: var(--text-dark);
}

.message-body {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.45;
}

.chat-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin-top: 12px;
}

.chat-form textarea {
    min-height: 54px;
    max-height: 140px;
}

.chat-error {
    min-height: 22px;
    margin: 7px 0 0;
    color: var(--danger);
    font-size: 0.88rem;
}

.online-panel {
    position: sticky;
    top: 18px;
    padding: 22px;
}

.online-title {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 8px;
}

.online-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--online);
    box-shadow: var(--online-ring);
}

.online-users {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.user-chip {
    display: inline-flex;
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--card-soft);
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 700;
}

.muted {
    color: var(--muted);
}

.text-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--primary-hover);
    font-weight: 750;
}

footer {
    padding: 22px 0 4px;
    text-align: center;
    color: var(--muted);
    font-size: 0.88rem;
}

/* PANEL */

.admin-shell {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
    padding: 34px 0 60px;
}

.admin-header {
    margin-bottom: 24px;
}

.admin-header h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.stat-card {
    display: grid;
    gap: 8px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--card);
    color: var(--text);
    box-shadow: var(--shadow);
}

.stat-card span {
    color: var(--muted);
}

.stat-card strong {
    font-size: 2rem;
}

.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 22px;
}

.admin-tabs a,
.filter-links a {
    padding: 9px 12px;
    border-radius: 10px;
    color: var(--text);
    background: var(--card-soft);
    border: 1px solid var(--border);
    text-decoration: none;
    font-weight: 750;
    font-size: 0.88rem;
}

.admin-section {
    margin-bottom: 34px;
    padding: clamp(20px, 3vw, 30px);
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--card);
    color: var(--text);
}

.filter-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-links a.active {
    color: var(--primary-contrast);
    background: var(--primary-soft);
    border-color: var(--primary);
}

.message-list,
.chat-admin-list {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

.admin-message {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 17px;
    background: var(--card);
    color: var(--text);
}

.admin-message.unread {
    border-left: 5px solid var(--primary);
}

.message-topline {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    color: var(--muted);
    font-size: 0.82rem;
}

.category-badge {
    color: var(--primary-contrast);
    background: var(--primary-soft);
}

.admin-message-body {
    margin: 16px 0;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.65;
}

.message-actions form {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.link-button {
    border: 0;
    padding: 0;
    color: var(--primary-hover);
    background: transparent;
    cursor: pointer;
    font-weight: 750;
}

.link-button.danger {
    color: var(--danger);
}

.chat-admin-item {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--card);
    color: var(--text);
}

.chat-admin-item span {
    margin-left: 8px;
    color: var(--muted);
    font-size: 0.8rem;
}

.chat-admin-item p {
    margin: 7px 0 0;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.empty-state {
    color: var(--muted);
    text-align: center;
    margin-top: 18px;
    box-shadow: none;
}

@media (max-width: 820px) {
    .page-shell {
        padding-top: 36px;
    }

    .chat-layout {
        grid-template-columns: 1fr;
    }

    .online-panel {
        position: static;
        order: -1;
    }

    .chat-messages {
        height: 400px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-header,
    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 620px) {
    .form-grid,
    .chat-form {
        grid-template-columns: 1fr;
    }

    .card {
        border-radius: 19px;
    }

    .chat-main {
        padding: 18px;
    }

    .chat-message {
        max-width: 90%;
    }

    .button-row .button {
        flex: 1;
    }

    .message-topline,
    .chat-admin-item {
        align-items: flex-start;
        flex-direction: column;
    }
}