:root {
    /* Paleta de marca Yuhu Studio: teal de "yuhu" + verde oscuro de "studio" */
    --color-primary: #14918a;
    --color-primary-dark: #0b3d34;
    --color-bg: #f2f7f6;
    --color-card: #ffffff;
    --color-text: #1a2e2b;
    --color-muted: #5e7772;
    --color-border: #dde8e6;
    --color-ok: #0b6b4f;
    --color-ok-bg: #e2f4ec;
    --color-warn: #92610d;
    --color-warn-bg: #fdf1d6;
    --color-danger: #b3261e;
    --color-danger-bg: #fce6e4;
    --color-info: #1f6f8b;
    --color-info-bg: #e5f2f6;
    --color-primary-bg: #e3f2f0;
    --radius: 10px;
    --sidebar-width: 240px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- App a pantalla completa: menú lateral fijo + contenido ---- */
.app-shell { display: flex; min-height: 100vh; align-items: stretch; }

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    align-self: flex-start;
    height: 100vh;
    padding: 20px 14px;
}
.brand { display: block; margin: 0 0 24px; padding: 0 6px; }
.brand:hover { text-decoration: none; }
.brand img { height: 56px; width: auto; display: block; }
.brand-fallback { font-weight: 700; font-size: 1.15rem; color: var(--color-primary-dark); }

.sidebar-search { margin-bottom: 16px; }
.sidebar-search input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.88rem;
    background: var(--color-bg);
}
.sidebar-search input:focus { background: #fff; }

.sidenav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.sidenav a {
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--color-muted);
    font-weight: 500;
    font-size: 0.95rem;
}
.sidenav a:hover { background: var(--color-bg); color: var(--color-text); text-decoration: none; }
.sidenav a.active { background: var(--color-primary-bg); color: var(--color-primary-dark); font-weight: 700; }

.sidebar-user {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar-user-name { font-weight: 600; color: var(--color-text); font-size: 0.92rem; }
.sidebar-logout { color: var(--color-danger); font-size: 0.88rem; }

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 30;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-card);
    font-size: 1.15rem;
    cursor: pointer;
}
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(10, 20, 18, 0.45); z-index: 19; }

.mobile-topbar { display: none; }

.main-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.page {
    flex: 1;
    padding: 28px 32px 60px;
}

h1 { font-size: 1.6rem; margin: 0 0 6px; }
h2 { font-size: 1.25rem; margin: 24px 0 10px; }
.subtitle { color: var(--color-muted); margin: 0 0 20px; }

.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.help-box {
    display: flex;
    gap: 12px;
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid #cfe0f7;
    border-radius: var(--radius);
    padding: 12px 16px;
    margin: 0 0 20px;
    font-size: 0.95rem;
}
.help-icon { font-size: 1.1rem; }

.help-tip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 0.7rem;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-muted);
    cursor: help;
    vertical-align: middle;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-ok { background: var(--color-ok-bg); color: var(--color-ok); }
.badge-warn { background: var(--color-warn-bg); color: var(--color-warn); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }

.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-weight: 500;
}
.flash-success { background: var(--color-ok-bg); color: var(--color-ok); }
.flash-error { background: var(--color-danger-bg); color: var(--color-danger); }
.flash-info { background: var(--color-info-bg); color: var(--color-info); }
.flash form { display: inline-block; margin-left: 12px; }

.elevated-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    background: var(--color-warn-bg);
    color: var(--color-warn);
    border: 1px solid #f0d99a;
    border-radius: var(--radius);
    padding: 10px 16px;
    margin-bottom: 16px;
    font-weight: 500;
}

label { display: block; font-weight: 600; margin: 14px 0 6px; }
label .req { color: var(--color-danger); }
.field-help { color: var(--color-muted); font-size: 0.85rem; margin: 2px 0 0; }

.file-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 22px 16px;
    text-align: center;
    cursor: pointer;
    color: var(--color-muted);
    transition: background-color 0.15s, border-color 0.15s;
}
.file-dropzone:hover { border-color: var(--color-primary); }
.file-dropzone-drag-over {
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
    outline: none;
}
.file-dropzone-icon { font-size: 1.6rem; display: block; margin-bottom: 4px; }
.file-dropzone input[type=file] { display: none; }
.file-dropzone-preview { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; justify-content: center; }
.file-chip {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 0.8rem;
    color: var(--color-text);
}

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=month], select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

/* Chrome/Safari renderizan el texto de type=date/month con una fuente propia
   que ignora font-family salvo que se apunte directamente a estas partes internas. */
input[type=date]::-webkit-datetime-edit,
input[type=date]::-webkit-datetime-edit-fields-wrapper,
input[type=date]::-webkit-datetime-edit-text,
input[type=date]::-webkit-datetime-edit-day-field,
input[type=date]::-webkit-datetime-edit-month-field,
input[type=date]::-webkit-datetime-edit-year-field,
input[type=month]::-webkit-datetime-edit,
input[type=month]::-webkit-datetime-edit-fields-wrapper,
input[type=month]::-webkit-datetime-edit-text,
input[type=month]::-webkit-datetime-edit-month-field,
input[type=month]::-webkit-datetime-edit-year-field {
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
}

.duration-row { display: flex; gap: 10px; align-items: flex-end; }
.duration-field { display: flex; flex-direction: column; width: 100px; }
.duration-label { color: var(--color-muted); font-size: 0.8rem; font-weight: 600; margin-bottom: 4px; }
.duration-field input { width: 100%; text-align: center; }

fieldset { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 14px 16px; margin: 16px 0; }
legend { font-weight: 700; padding: 0 6px; }

.checkbox-row { display: flex; align-items: center; gap: 10px; margin: 10px 0; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; font-weight: 500; }

.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    font-family: inherit;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: var(--color-bg); }
.btn-danger { background: var(--color-danger); }
.btn-danger:hover { background: #8f1e18; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-row { display: flex; gap: 10px; margin: 18px 0; flex-wrap: wrap; }

/* Botones "pastel": mismo tamaño que los normales, pero con un color suave
   para poder distinguir de un vistazo qué hace cada acción en una fila. */
.btn-pastel-green { background: var(--color-ok-bg); color: var(--color-ok); border: 1px solid #bfe6d3; }
.btn-pastel-green:hover { background: #cdeedd; }
.btn-pastel-amber { background: var(--color-warn-bg); color: var(--color-warn); border: 1px solid #f3dfa8; }
.btn-pastel-amber:hover { background: #fbe7b8; }
.btn-pastel-blue { background: var(--color-info-bg); color: var(--color-info); border: 1px solid #bfe0f2; }
.btn-pastel-blue:hover { background: #cfe6f5; }
.btn-pastel-gray { background: #eef1f6; color: #48586b; border: 1px solid #dbe1ea; }
.btn-pastel-gray:hover { background: #e2e7ef; }
.btn-pastel-red { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #f3c9c5; }
.btn-pastel-red:hover { background: #f8d3cf; }

/* Fila de botones de acción (Tareas, mensajes de chat...): mismo alto y
   alineados, tanto si son <a>, <button> o <form> con un botón dentro. */
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.row-actions form { display: inline-flex; margin: 0; }

table { width: 100%; border-collapse: collapse; background: var(--color-card); }
table.card-table { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); font-size: 0.95rem; }
th { background: #f8f9fc; color: var(--color-muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; }
th.th-sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.th-sortable:hover { color: var(--color-primary-dark); }
th.th-sortable::after { content: '⇅'; opacity: 0.35; margin-left: 5px; font-size: 0.9em; }
th.th-sortable.sorted-asc::after { content: '▲'; opacity: 1; color: var(--color-primary); }
th.th-sortable.sorted-desc::after { content: '▼'; opacity: 1; color: var(--color-primary); }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; }
.stat .num { font-size: 1.6rem; font-weight: 700; }
.stat .lbl { color: var(--color-muted); font-size: 0.85rem; }

.progress-bar { width: 100%; height: 10px; background: var(--color-border); border-radius: 999px; overflow: hidden; margin: 6px 0; }
.progress-bar > div { height: 100%; background: var(--color-primary); }
.progress-bar.warn > div { background: #d19b1c; }
.progress-bar.danger > div { background: var(--color-danger); }

.chart-bars { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.chart-bar-row { display: grid; grid-template-columns: 140px 1fr 90px; align-items: center; gap: 10px; }
.chart-bar-label { font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chart-bar-track { height: 14px; background: var(--color-border); border-radius: 999px; overflow: hidden; }
.chart-bar-fill { height: 100%; background: var(--color-primary); border-radius: 999px; min-width: 3px; }
.chart-bar-value { font-size: 0.85rem; color: var(--color-muted); text-align: right; white-space: nowrap; }
@media (max-width: 640px) {
    .chart-bar-row { grid-template-columns: 90px 1fr 70px; }
}

.pagefooter { text-align: center; color: var(--color-muted); font-size: 0.85rem; padding: 20px; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 32px; width: 100%; max-width: 380px; }
.login-card h1 { text-align: center; }
.login-card .subtitle { text-align: center; }
.login-brand { display: flex; justify-content: center; }
.login-brand img { height: 48px; width: auto; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--color-muted); }

/* ---- Etiqueta BETA ---- */
.beta-badge {
    display: inline-block;
    background: var(--color-warn-bg);
    color: var(--color-warn);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 1px 6px;
    border-radius: 999px;
    vertical-align: middle;
}

/* ---- Chat interno (BETA) ---- */
.chat-shell {
    display: flex;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-card);
    overflow: hidden;
    min-height: 60vh;
}
.chat-sidebar {
    width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--color-border);
    padding: 14px 10px;
    overflow-y: auto;
}
.chat-sidebar-section { margin-bottom: 18px; }
.chat-sidebar-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 4px 8px;
}
.chat-sidebar-title a { font-size: 1rem; font-weight: 700; }
.chat-nav-item {
    display: block;
    padding: 7px 8px;
    border-radius: 6px;
    color: var(--color-text);
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-nav-item:hover { background: var(--color-bg); text-decoration: none; }
.chat-nav-item.active { background: var(--color-primary-bg); color: var(--color-primary-dark); font-weight: 600; }
.chat-nav-muted { color: var(--color-muted); font-size: 0.82rem; }

.chat-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.chat-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    max-height: 55vh;
    min-height: 260px;
    transition: background-color 0.15s;
}
.chat-messages.chat-drag-over {
    background: var(--color-primary-bg);
    outline: 2px dashed var(--color-primary);
    outline-offset: -6px;
}
.chat-message { margin-bottom: 14px; max-width: 80%; }
.chat-message-mine { margin-left: auto; }
.chat-message-head { display: flex; gap: 8px; align-items: baseline; font-size: 0.85rem; }
.chat-message-head strong { color: var(--color-primary-dark); }
.chat-message-time { color: var(--color-muted); font-size: 0.75rem; }
.chat-message-body {
    background: var(--color-bg);
    border-radius: 10px;
    padding: 8px 12px;
    margin-top: 3px;
    white-space: pre-wrap;
    word-break: break-word;
}
.chat-message-mine .chat-message-body { background: var(--color-primary-bg); }
.chat-message-body .mention { background: var(--color-warn-bg); color: var(--color-warn); border-radius: 4px; padding: 0 3px; font-weight: 600; }
.chat-attachments { margin-top: 6px; display: flex; flex-direction: column; gap: 4px; }
.chat-attachment { font-size: 0.85rem; }

/* Menú "⋮" por mensaje (editar/borrar), oculto hasta que se pulsa — igual que WhatsApp */
.chat-msg-menu-wrap { position: relative; margin-left: auto; }
.chat-msg-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-muted);
    font-size: 1.1rem;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 6px;
}
.chat-msg-menu-btn:hover { background: var(--color-bg); color: var(--color-text); }
.chat-msg-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 2px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.14);
    min-width: 140px;
    overflow: hidden;
    z-index: 6;
}
.chat-msg-menu.open { display: block; }
.chat-msg-menu a, .chat-msg-menu button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 9px 14px;
    background: none;
    border: none;
    font-size: 0.85rem;
    color: var(--color-text);
    cursor: pointer;
    font-family: inherit;
}
.chat-msg-menu a:hover, .chat-msg-menu button:hover { background: var(--color-bg); text-decoration: none; }
.chat-msg-menu-danger { color: var(--color-danger) !important; }

.chat-composer { border-top: 1px solid var(--color-border); padding: 10px 16px 14px; position: relative; }
.chat-composer-row { display: flex; gap: 8px; align-items: flex-end; }
.chat-composer-row textarea {
    flex: 1;
    resize: none;
    max-height: 160px;
    padding: 10px 12px;
}
.chat-attachments-preview { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.chat-file-chip {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 0.8rem;
}
.chat-mention-box {
    position: absolute;
    bottom: 100%;
    left: 16px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
    margin-bottom: 6px;
    overflow: hidden;
    z-index: 5;
}
.chat-mention-item { padding: 7px 14px; cursor: pointer; font-size: 0.9rem; }
.chat-mention-item:hover, .chat-mention-item.active { background: var(--color-primary-bg); }

/* Campanita / aviso de menciones sin leer */
.chat-unread-badge, .nav-unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--color-danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: 6px;
}
.chat-nav-item.chat-has-unread { font-weight: 700; color: var(--color-danger); }

.chat-mentions-list { padding: 10px 16px; overflow-y: auto; }
.chat-mention-row {
    display: block;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin-bottom: 10px;
    color: var(--color-text);
}
.chat-mention-row:hover { border-color: var(--color-primary); text-decoration: none; background: var(--color-bg); }
.chat-mention-row-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; margin-bottom: 4px; }
.chat-mention-row-body { color: var(--color-muted); font-size: 0.92rem; }

@media (max-width: 720px) {
    .chat-shell { flex-direction: column; min-height: auto; }
    .chat-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--color-border); max-height: 220px; }
    .chat-messages { max-height: 45vh; }
    .chat-message { max-width: 95%; }
}

/* ---- Modal genérico (completar tarea, etc.) ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 20, 18, 0.45);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-box {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 24px;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

@media print {
    .sidebar, .sidebar-toggle, .sidebar-backdrop, .mobile-topbar, .btn-row, .no-print { display: none !important; }
    body { background: #fff; }
    .app-shell { display: block; }
    .page { padding: 0; }
    .print-only-title { display: block !important; }
}

/* ---- Móvil: el menú lateral se convierte en un panel deslizante ---- */
@media (max-width: 900px) {
    .sidebar-toggle { display: block; }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 20;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
    }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-backdrop { display: block; }
    body.sidebar-open { overflow: hidden; }
    /* Con el menú abierto se oculta el botón ☰ (se solaparía con el logo); se cierra tocando fuera */
    body.sidebar-open .sidebar-toggle { display: none; }

    .mobile-topbar {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 14px 14px 14px 58px;
        border-bottom: 1px solid var(--color-border);
        background: var(--color-card);
        position: sticky;
        top: 0;
        z-index: 5;
    }
    .mobile-topbar img { height: 28px; }

    .page { padding: 16px 14px 48px; }

    h1 { font-size: 1.35rem; }
    h2 { font-size: 1.1rem; }

    .card { padding: 16px; }
    fieldset { padding: 12px; }

    /* Botones a ancho completo y apilados dentro de btn-row: más fáciles de pulsar con el dedo.
       Los botones sueltos de las tablas (borrar, ajustar...) no se ven afectados. */
    .btn-row { flex-direction: column; }
    .btn-row > .btn, .btn-row > a, .btn-row > button, .btn-row > form {
        width: 100%;
        text-align: center;
    }

    /* Inputs con más altura para que sean fáciles de tocar, y 16px para que iOS no haga zoom */
    input[type=text], input[type=email], input[type=password], input[type=number],
    input[type=date], input[type=month], select, textarea {
        font-size: 16px;
        padding: 12px;
    }

    .checkbox-row input { width: 20px; height: 20px; flex-shrink: 0; }

    /* Tablas: se mantiene el scroll horizontal, pero con letra algo más pequeña para que quepa más */
    th, td { padding: 8px 10px; font-size: 0.88rem; }

    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat { padding: 12px; }
    .stat .num { font-size: 1.25rem; }

    /* Los formularios de "duración" (horas/minutos) apilan mejor en pantallas muy estrechas */
    .duration-row { flex-wrap: wrap; }
}

@media (max-width: 400px) {
    .stat-grid { grid-template-columns: 1fr; }
}