:root {
    --color-bg: #fafaf9;
    --color-surface: #ffffff;
    --color-surface-muted: #f5f5f4;
    --color-surface-sunken: #efedea;
    --color-border: #e7e5e4;
    --color-border-strong: #d6d3d1;
    --color-text: #1c1917;
    --color-text-muted: #57534e;
    --color-text-faint: #a8a29e;
    --color-accent: #1e293b;
    --color-accent-hover: #0f172a;
    --color-accent-soft: #e2e8f0;
    --color-success: #15803d;
    --color-success-soft: #f0fdf4;
    --color-danger: #b91c1c;
    --color-danger-soft: #fef2f2;
    --color-warning: #b45309;
    --color-warning-soft: #fffbeb;
    --color-info: #1e40af;
    --color-info-soft: #eff6ff;

    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.08);
    --ring: 0 0 0 3px rgba(30, 41, 59, 0.12);
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    font-family: var(--font-sans);
    font-feature-settings: 'cv11', 'ss01', 'ss03';
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
    font-weight: 600;
    letter-spacing: -0.011em;
    line-height: 1.25;
}

h1 { font-size: 1.75rem; margin-bottom: 0.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
h5 { font-size: 0.95rem; font-weight: 600; }

h1:focus { outline: none; }

a, .btn-link {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover, .btn-link:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
    text-underline-offset: 3px;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-surface-muted);
    padding: 0.1rem 0.35rem;
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

.font-monospace {
    font-family: var(--font-mono) !important;
}

/* Buttons */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid transparent;
    transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}

.btn:focus,
.btn:focus-visible,
.btn:active:focus {
    outline: none;
    box-shadow: var(--ring);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.825rem;
}

.btn-lg {
    padding: 0.6rem 1.1rem;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
}

.btn-primary:disabled,
.btn-primary.disabled {
    background-color: var(--color-text-faint);
    border-color: var(--color-text-faint);
    opacity: 1;
    color: #fff;
}

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

.btn-success:hover,
.btn-success:focus {
    background-color: #166534;
    border-color: #166534;
    color: #fff;
}

.btn-success:disabled,
.btn-success.disabled {
    background-color: var(--color-text-faint);
    border-color: var(--color-text-faint);
    opacity: 1;
    color: #fff;
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}

.btn-danger:hover,
.btn-danger:focus {
    background-color: #991b1b;
    border-color: #991b1b;
    color: #fff;
}

.btn-outline-primary {
    color: var(--color-accent);
    border-color: var(--color-border-strong);
    background: var(--color-surface);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: var(--color-accent-hover);
    border-color: var(--color-accent);
    background: var(--color-surface-muted);
}

.btn-outline-secondary {
    color: var(--color-text);
    border-color: var(--color-border-strong);
    background: var(--color-surface);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    background: var(--color-surface-muted);
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

.btn-outline-danger {
    color: var(--color-danger);
    border-color: var(--color-border-strong);
    background: var(--color-surface);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
    color: #fff;
    background: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-link {
    border: 0;
    padding: 0.45rem 0.6rem;
    font-weight: 500;
}

.btn-link:focus,
.btn-link:focus-visible {
    box-shadow: none;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Forms */
.form-control,
.form-select {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.9rem;
    padding: 0.5rem 0.7rem;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.form-control-sm,
.form-select-sm {
    padding: 0.35rem 0.55rem;
    font-size: 0.825rem;
    border-radius: var(--radius-sm);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: var(--color-accent);
    box-shadow: var(--ring);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-text-faint);
}

.form-control:disabled,
.form-select:disabled {
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
}

.form-label {
    color: var(--color-text-muted);
    font-size: 0.825rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.form-check-input {
    border-color: var(--color-border-strong);
}

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

.input-group-text {
    background: var(--color-surface-muted);
    border-color: var(--color-border-strong);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

textarea.form-control {
    min-height: 5rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-danger);
}

.validation-message {
    color: var(--color-danger);
    font-size: 0.825rem;
}

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-body {
    padding: 1.25rem 1.4rem;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--color-border);
    padding: 0.85rem 1.4rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Tables */
.table {
    --bs-table-bg: transparent;
    color: var(--color-text);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    border-color: var(--color-border);
}

.table > :not(caption) > * > * {
    padding: 0.7rem 0.85rem;
    background-color: transparent;
    border-bottom-color: var(--color-border);
    border-bottom-width: 1px;
    box-shadow: none;
}

.table thead th {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--color-border-strong);
}

.table tbody tr {
    transition: background-color 120ms ease;
}

.table-hover tbody tr:hover > * {
    background-color: var(--color-surface-muted);
}

.table-active,
.table > :not(caption) > * > .table-active,
.table-active > * {
    --bs-table-bg-state: var(--color-surface-muted);
    background-color: var(--color-surface-muted) !important;
    color: var(--color-text);
}

.table-warning,
.table > :not(caption) > * > .table-warning,
.table-warning > * {
    --bs-table-bg-state: var(--color-warning-soft);
    background-color: var(--color-warning-soft) !important;
}

.table tbody tr:last-child > * {
    border-bottom: 0;
}

/* Alerts */
.alert {
    border-radius: var(--radius);
    border: 1px solid transparent;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.alert-info {
    background: var(--color-info-soft);
    border-color: #dbeafe;
    color: var(--color-info);
}

.alert-warning {
    background: var(--color-warning-soft);
    border-color: #fde68a;
    color: var(--color-warning);
}

.alert-danger {
    background: var(--color-danger-soft);
    border-color: #fecaca;
    color: var(--color-danger);
}

.alert-success {
    background: var(--color-success-soft);
    border-color: #bbf7d0;
    color: var(--color-success);
}

/* Badges */
.badge {
    font-weight: 500;
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

.badge.bg-secondary {
    background-color: var(--color-surface-muted) !important;
    color: var(--color-text-muted) !important;
    border: 1px solid var(--color-border);
}

/* Iconos (Lucide) */
.icon {
    width: 1rem;
    height: 1rem;
    vertical-align: -2px;
    flex-shrink: 0;
}

.icon-lg {
    width: 1.25rem;
    height: 1.25rem;
}

.icon-xl {
    width: 1.5rem;
    height: 1.5rem;
}

.btn:has(.icon) {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-sm .icon {
    width: 0.85rem;
    height: 0.85rem;
}

/* Layout helpers */
.content { padding-top: 0; }

.kpi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.kpi-label {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.4rem;
}

.kpi-value {
    color: var(--color-text);
    font-size: 1.85rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.kpi-value.is-mono {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
}

.eyebrow {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.tracker-action {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tracker-en-curso {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-success);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.tracker-en-curso-titulo {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
    margin: 0.2rem 0;
}

.tracker-en-curso-meta {
    font-size: 0.8rem;
    color: var(--color-text-faint);
}

.text-muted, .text-secondary {
    color: var(--color-text-muted) !important;
}

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

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

.token-display {
    background: var(--color-surface-sunken);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre;
    word-break: keep-all;
}

/* Pestañas */
.nav-tabs {
    border-bottom: 1px solid var(--color-border);
    gap: 0.25rem;
}

.nav-tabs .nav-link {
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.55rem 0.9rem;
    margin-bottom: -1px;
    transition: color 120ms ease, border-color 120ms ease;
}

.nav-tabs .nav-link:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-border-strong);
    text-decoration: none;
}

.nav-tabs .nav-link.active {
    color: var(--color-text);
    border-bottom-color: var(--color-accent);
    background: transparent;
}

.nav-tabs .nav-link:focus,
.nav-tabs .nav-link:focus-visible {
    outline: none;
    box-shadow: none;
}

/* Preview del logo en Ajustes */
.logo-preview {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-muted);
    padding: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 240px;
    max-height: 120px;
    overflow: hidden;
}

.logo-preview img {
    max-width: 100%;
    max-height: 96px;
    display: block;
    object-fit: contain;
}

/* Errores */
.blazor-error-boundary {
    background: var(--color-danger);
    color: #fff;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
}

.blazor-error-boundary::after {
    content: "Se ha producido un error.";
}

#blazor-error-ui {
    color-scheme: light only;
    background: var(--color-warning-soft);
    color: var(--color-warning);
    border-top: 1px solid #fde68a;
    box-shadow: 0 -1px 8px rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
    display: none;
    bottom: 0;
    left: 0;
    padding: 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 0.875rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

/* ---- Pila de trackers (Home) ---- */
.pila-trackers {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pila-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.pila-card.is-activa {
    border-left: 4px solid var(--color-success);
    background: var(--color-success-soft);
}

.pila-card.is-pausada {
    border-left: 4px solid var(--color-warning);
}

.pila-info {
    min-width: 0;
}

.pila-titulo {
    font-weight: 600;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pila-meta {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    margin-top: 0.15rem;
}

.pila-meta .dot {
    margin: 0 0.3rem;
    color: var(--color-text-faint);
}

.pila-estado {
    font-weight: 500;
}

.pila-cuenta {
    font-feature-settings: 'tnum';
    font-size: 1.05rem;
    font-weight: 500;
}

.pila-acciones {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

@media (max-width: 640px) {
    .pila-card {
        grid-template-columns: 1fr auto;
    }
    .pila-acciones {
        grid-column: 1 / -1;
        justify-content: flex-start;
    }
}

/* ---- Hilo en edición de entrada (Home) ---- */
.hilo-autonomo {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 0.5rem;
}

.hilo-msg {
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius-sm);
    max-width: 80%;
}

.hilo-msg.is-cliente {
    background: var(--color-accent-soft);
    margin-right: auto;
}

.hilo-msg.is-autonomo {
    background: var(--color-surface-muted);
    margin-left: auto;
}

/* ---- Portal de cliente ---- */
.portal-shell {
    max-width: 760px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}

.portal-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.75rem;
}

.portal-header .wordmark {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.portal-header .wordmark-dot {
    color: var(--color-accent);
}

.portal-cliente {
    color: var(--color-text-muted);
    font-weight: 500;
}

.portal-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.portal-activa {
    background: var(--color-info-soft);
    border: 1px solid #bfdbfe;
    border-left: 4px solid var(--color-info);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 1.5rem;
}

.portal-activa-titulo {
    font-weight: 600;
    font-size: 1.05rem;
    margin: 0.15rem 0 0.35rem;
}

.portal-activa-meta {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.portal-activa-meta .dot {
    margin: 0 0.35rem;
    color: var(--color-text-faint);
}

.portal-activa-desc {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.portal-mes {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.25rem;
    gap: 1rem;
}

.portal-mes-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.portal-mes-form input[type="month"] {
    width: 180px;
}

.portal-mes-total {
    text-align: right;
}

.portal-mes-horas {
    font-size: 1.6rem;
    font-weight: 600;
}

.portal-factura {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: var(--color-success-soft);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius);
    padding: 0.9rem 1.1rem;
    margin-bottom: 1.5rem;
}

.portal-factura-num {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
}

.portal-factura-acciones {
    display: flex;
    gap: 0.5rem;
}

.portal-section-title {
    margin: 1.5rem 0 0.75rem;
}

.portal-entradas {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.portal-entrada {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.portal-entrada[open] {
    box-shadow: var(--shadow);
}

.portal-entrada-summary {
    cursor: pointer;
    padding: 0.75rem 1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

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

.portal-entrada-titulo {
    font-weight: 500;
}

.portal-entrada-meta {
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.portal-entrada-meta .dot {
    color: var(--color-text-faint);
}

.portal-entrada-body {
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--color-border);
}

.portal-hilo {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.portal-msg {
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    max-width: 85%;
}

.portal-msg.is-cliente {
    background: var(--color-accent-soft);
    margin-left: auto;
}

.portal-msg.is-autonomo {
    background: var(--color-surface-muted);
    margin-right: auto;
}

.portal-msg-meta {
    color: var(--color-text-muted);
    margin-bottom: 0.2rem;
}

.portal-msg-meta .dot {
    margin: 0 0.3rem;
}

.portal-msg-texto {
    white-space: pre-wrap;
    word-break: break-word;
}

.portal-msg-form {
    margin-top: 0.75rem;
}

.portal-valoracion {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.75rem;
}

.portal-footer {
    margin-top: 2.5rem;
    text-align: center;
}