/* ===== Clasify — Color Palette (Blue + Green) ===== */
:root {
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-active: #1E40AF;
    --primary-light: #DBEAFE;
    --primary-dark: #1E3A5F;

    --secondary: #16A34A;
    --secondary-hover: #15803D;
    --secondary-active: #166534;
    --secondary-light: #DCFCE7;

    --text: #1F2937;
    --text-muted: #6B7280;
    --text-light: #9CA3AF;

    --bg: #F9FAFB;
    --bg-card: #FFFFFF;
    --border: #E5E7EB;
    --border-hover: #D1D5DB;

    --danger: #DC2626;
    --danger-hover: #B91C1C;
    --warning: #F59E0B;
    --info: #0EA5E9;

    --focus-ring: rgba(37, 99, 235, 0.25);
    --sidebar-gradient-start: #1E3A5F;
    --sidebar-gradient-end: #0F2942;
}

/* ===== Base ===== */
html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text);
    background-color: var(--bg);
}

a, .btn-link {
    color: var(--primary);
}

a:hover, .btn-link:hover {
    color: var(--primary-hover);
}

/* ===== Buttons ===== */
.btn-primary {
    color: #fff;
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-primary:active, .btn-primary.active {
    background-color: var(--primary-active);
    border-color: var(--primary-active);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

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

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

.btn-success:hover {
    background-color: var(--secondary-hover);
    border-color: var(--secondary-hover);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--focus-ring);
}

/* ===== Content ===== */
.content {
    padding-top: 1.1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

h1:focus {
    outline: none;
}

/* ===== Forms ===== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--secondary);
}

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

.validation-message {
    color: var(--danger);
}

/* ===== Error boundary ===== */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--danger);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===== LocationPicker Map ===== */
.location-picker-map-wrapper {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,.12);
    position: relative;
}

/* ===== Teachers — estados de ubicación ===== */
.teachers-location-pending {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--text-muted, #6c757d);
}

.teachers-location-denied {
    max-width: 640px;
    margin: 2rem auto;
}

/* ===== Teachers — filtros de pills ===== */

.teachers-pill-row {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.teachers-pill-label {
    font-size: .78rem;
    font-weight: 600;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.teachers-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

.teachers-pill {
    display: inline-flex;
    align-items: center;
    padding: .25rem .8rem;
    border-radius: 20px;
    border: 1px solid #dee2e6;
    background: #fff;
    font-size: .82rem;
    cursor: pointer;
    white-space: nowrap;
    color: #495057;
    transition: background .12s, border-color .12s, color .12s;
    line-height: 1.4;
}

.teachers-pill:hover {
    border-color: var(--primary, #2563eb);
    color: var(--primary, #2563eb);
}

.teachers-pill.active {
    background: var(--primary, #2563eb);
    border-color: var(--primary, #2563eb);
    color: #fff;
    font-weight: 500;
}

/* Slider de radio */
.teachers-slider-wrap {
    width: 100%;
}

.teachers-slider {
    width: 100%;
    accent-color: var(--primary, #2563eb);
    cursor: pointer;
}

.teachers-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: .73rem;
    color: #6c757d;
    margin-top: .15rem;
}

/* ===== Teachers Split Layout ===== */

.teachers-split {
    display: flex;
    gap: 0;
    height: calc(100vh - 200px);
    min-height: 500px;
    position: relative;
}

.teachers-list-panel {
    width: 420px;
    min-width: 320px;
    flex-shrink: 0;
    overflow-y: auto;
    padding-right: .75rem;
    display: flex;
    flex-direction: column;
}

.teachers-split.map-closed {
    height: auto;
    min-height: unset;
}

.teachers-split.map-closed .teachers-list-panel {
    width: 100%;
    padding-right: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: .75rem;
    overflow-y: visible;
    align-content: start;
}

/* Header y alertas ocupan todo el ancho en modo grid */
.teachers-split.map-closed .teachers-list-panel .teachers-list-header,
.teachers-split.map-closed .teachers-list-panel .alert {
    grid-column: 1 / -1;
}

.teachers-map-panel {
    flex: 1;
    min-width: 0;
    position: relative;
}

.teachers-map-wrapper {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,.12);
    position: relative;
}

/* Botón ocultar mapa (encima del mapa) */
.map-toggle-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
    background: rgba(255,255,255,.95);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: .8rem;
    padding: .3rem .7rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
}

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


/* Tarjeta de profesor */
.teacher-card {
    border-radius: 8px;
    transition: border-color .15s, box-shadow .15s;
    cursor: default;
    border-color: var(--border);
}

.teacher-card:hover,
.teacher-card-hovered {
    border-color: var(--primary);
    box-shadow: 0 2px 12px rgba(37,99,235,.15) !important;
}

/* Avatar circular con iniciales */
.avatar-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    color: #fff;
    font-weight: 700;
    font-size: .9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    user-select: none;
}

/* ===== Marcador animado de ubicación del usuario ===== */
.user-location-overlay {
    position: absolute;
    width: 32px;
    height: 32px;
    pointer-events: none;
    overflow: visible;
}

.user-location-label {
    position: absolute;
    top: 36px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 11px;
    font-weight: 600;
    color: #1d4ed8;
    background: rgba(255,255,255,.92);
    padding: 2px 6px;
    border-radius: 4px;
    box-shadow: 0 1px 4px rgba(0,0,0,.18);
    pointer-events: none;
    animation: user-dot-appear .35s cubic-bezier(.34,1.56,.64,1) both;
}

.user-location-dot {
    width: 14px;
    height: 14px;
    background: #0d6efd;
    border: 2.5px solid #fff;
    border-radius: 50%;
    position: absolute;
    top: 9px;
    left: 9px;
    box-shadow: 0 2px 8px rgba(13, 110, 253, .55);
    animation: user-dot-appear .35s cubic-bezier(.34,1.56,.64,1) both;
}

.user-location-ring {
    width: 32px;
    height: 32px;
    border: 2.5px solid rgba(13, 110, 253, .75);
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
    animation: user-ring-pulse 2.2s ease-out infinite;
    opacity: 0;
}

.user-location-ring-delay {
    animation-delay: .9s;
}

@keyframes user-dot-appear {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

@keyframes user-ring-pulse {
    0%   { transform: scale(.25); opacity: .9; }
    100% { transform: scale(2.2); opacity: 0; }
}

/* ===== Teachers — Responsive ===== */

/* Pantalla media (900–1199px): panel de lista más angosto */
@media (min-width: 900px) and (max-width: 1199.98px) {
    .teachers-list-panel {
        width: 320px;
        min-width: 280px;
    }
}

/* Pequeño (<900px): layout apilado — mapa arriba, lista abajo */
@media (max-width: 899.98px) {
    .teachers-split {
        flex-direction: column;
        height: auto;
        min-height: unset;
    }

    /* Mapa encima de la lista */
    .teachers-map-panel {
        order: -1;
        height: 320px;
        flex: none;
        width: 100%;
    }

    .teachers-map-wrapper {
        height: 320px;
    }

    /* Lista a full width, la página scrollea */
    .teachers-list-panel {
        width: 100% !important;
        min-width: 0;
        overflow-y: visible;
        padding-right: 0;
    }

    /* Grid de 1 columna en móvil cuando mapa está oculto */
    .teachers-split.map-closed .teachers-list-panel {
        grid-template-columns: 1fr;
    }


    /* Pills: el slider ocupa todo el ancho en móvil (ya lo hace por defecto) */
    .teachers-pill {
        font-size: .79rem;
        padding: .22rem .65rem;
    }
}

/* Scrollbar fina en la lista */
.teachers-list-panel::-webkit-scrollbar {
    width: 5px;
}
.teachers-list-panel::-webkit-scrollbar-track {
    background: transparent;
}
.teachers-list-panel::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 3px;
}