/* GRILLA Y CASILLAS DE SALAS LIBRES (VERDE REDISEÑADO) */
.rooms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 28px;
}

.room-card {
    position: relative;
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(15, 23, 42, 0.72) 100%);
    border: 1px solid rgba(16, 185, 129, 0.24);
    border-radius: 12px;
    padding: 11px 13px 10px;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(52, 211, 153, 0.16);
    overflow: hidden;
}

.room-card-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.room-time-indicator {
    font-size: 11px;
    font-weight: 600;
    color: #6ee7b7;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    line-height: 1.2;
    letter-spacing: 0.01em;
    transition: color 0.18s ease;
}

.room-card:hover .room-time-indicator {
    color: #a7f3d0;
}

.room-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.75), transparent);
    transition: all 0.25s ease;
}

.room-card:hover {
    transform: translateY(-3px);
    border-color: rgba(52, 211, 153, 0.6);
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.16) 0%, rgba(15, 23, 42, 0.88) 100%);
    box-shadow: 0 10px 24px -4px rgba(16, 185, 129, 0.3), inset 0 1px 0 rgba(52, 211, 153, 0.35);
}

.room-card:hover::before {
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #34d399, transparent);
    box-shadow: 0 0 8px #34d399;
}

.room-code {
    font-size: 14px;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: 0.02em;
    transition: color 0.18s ease;
}

.room-card:hover .room-code {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(52, 211, 153, 0.4);
}

.room-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    color: #34d399;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(52, 211, 153, 0.24);
    padding: 3px 9px;
    border-radius: 20px;
    line-height: 1;
    letter-spacing: 0.01em;
    transition: all 0.18s ease;
}

.room-card:hover .room-status-badge {
    background: rgba(16, 185, 129, 0.22);
    border-color: rgba(52, 211, 153, 0.45);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 6px #10b981;
    display: inline-block;
    animation: pulseDot 2.2s infinite ease-in-out;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 6px #10b981; }
    50% { opacity: 0.6; transform: scale(0.85); box-shadow: 0 0 2px #10b981; }
}

/* TARJETAS DE SALAS OCUPADAS (MISMO DISEÑO ELEGANTE QUE LAS VERDES) */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    min-width: 0;
    gap: 14px;
    margin-bottom: 28px;
}

.item-card {
    position: relative;
    min-width: 0;
    max-width: 100%;
    background: linear-gradient(180deg, rgba(244, 63, 94, 0.08) 0%, rgba(15, 23, 42, 0.72) 100%);
    border: 1px solid rgba(244, 63, 94, 0.24);
    border-radius: 12px;
    padding: 15px 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(251, 113, 133, 0.16);
}

/* Línea de resplandor superior (igual a la casilla verde, en tono coral) */
.item-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, rgba(251, 113, 133, 0.75), transparent);
    transition: all 0.25s ease;
}

.item-card:hover {
    transform: translateY(-3px);
    border-color: rgba(251, 113, 133, 0.6);
    background: linear-gradient(180deg, rgba(244, 63, 94, 0.16) 0%, rgba(15, 23, 42, 0.88) 100%);
    box-shadow: 0 10px 24px -4px rgba(244, 63, 94, 0.3), inset 0 1px 0 rgba(251, 113, 133, 0.35);
}

.item-card:hover::before {
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #fb7185, transparent);
    box-shadow: 0 0 8px #fb7185;
}

/* Tarjeta de profesores (mismo diseño, acento púrpura) */
.item-card.prof {
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.08) 0%, rgba(15, 23, 42, 0.72) 100%);
    border-color: rgba(168, 85, 247, 0.24);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(192, 132, 252, 0.16);
}

.item-card.prof::before {
    background: linear-gradient(90deg, transparent, rgba(192, 132, 252, 0.75), transparent);
}

.item-card.prof:hover {
    border-color: rgba(192, 132, 252, 0.6);
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.16) 0%, rgba(15, 23, 42, 0.88) 100%);
    box-shadow: 0 10px 24px -4px rgba(168, 85, 247, 0.3), inset 0 1px 0 rgba(192, 132, 252, 0.35);
}

.item-card.prof:hover::before {
    background: linear-gradient(90deg, transparent, #c084fc, transparent);
    box-shadow: 0 0 8px #c084fc;
}

/* Casilla de sala morada en la tarjeta del profesor (a tono con la casilla padre) */
.item-card.prof .room-pill {
    background: rgba(168, 85, 247, 0.14);
    color: #c084fc;
    border-color: rgba(192, 132, 252, 0.3);
}

.item-card.prof .room-pill:hover {
    background: rgba(168, 85, 247, 0.25);
    border-color: rgba(192, 132, 252, 0.55);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

.item-card.prof .status-dot.occ {
    background: #c084fc;
    box-shadow: 0 0 6px #9333ea;
    animation: pulseDotProf 2.2s infinite ease-in-out;
}

@keyframes pulseDotProf {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 6px #9333ea; }
    50% { opacity: 0.6; transform: scale(0.85); box-shadow: 0 0 2px #9333ea; }
}

/* Tarjeta de Ramos / Asignaturas (Acento Cian Eléctrico / Zafiro) */
.item-card.ramo {
    background: linear-gradient(180deg, rgba(14, 165, 233, 0.08) 0%, rgba(15, 23, 42, 0.72) 100%);
    border-color: rgba(56, 189, 248, 0.24);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(56, 189, 248, 0.16);
}

.item-card.ramo::before {
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.75), transparent);
}

.item-card.ramo:hover {
    border-color: rgba(56, 189, 248, 0.6);
    background: linear-gradient(180deg, rgba(14, 165, 233, 0.16) 0%, rgba(15, 23, 42, 0.88) 100%);
    box-shadow: 0 10px 24px -4px rgba(14, 165, 233, 0.3), inset 0 1px 0 rgba(56, 189, 248, 0.35);
}

.item-card.ramo:hover::before {
    background: linear-gradient(90deg, transparent, #38bdf8, transparent);
    box-shadow: 0 0 8px #38bdf8;
}

.item-card.ramo .room-pill {
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.28);
}

.item-card.ramo .room-pill:hover {
    background: rgba(56, 189, 248, 0.22);
    border-color: rgba(56, 189, 248, 0.55);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.time-pill.ramo-time {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.22);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.item-card.ramo .status-dot.occ {
    background: #38bdf8;
    box-shadow: 0 0 6px #0ea5e9;
    animation: pulseDotRamo 2.2s infinite ease-in-out;
}

@keyframes pulseDotRamo {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 6px #0ea5e9; }
    50% { opacity: 0.6; transform: scale(0.85); box-shadow: 0 0 2px #0ea5e9; }
}

/* Tarjeta de Salas Libres (Mismo tamaño y estructura que las salas ocupadas) */
.item-card.free {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(15, 23, 42, 0.72) 100%);
    border-color: rgba(16, 185, 129, 0.24);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(52, 211, 153, 0.16);
    cursor: pointer;
}

.item-card.free::before {
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.75), transparent);
}

.item-card.free:hover {
    border-color: rgba(52, 211, 153, 0.6);
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.16) 0%, rgba(15, 23, 42, 0.88) 100%);
    box-shadow: 0 10px 24px -4px rgba(16, 185, 129, 0.3), inset 0 1px 0 rgba(52, 211, 153, 0.35);
}

.item-card.free:hover::before {
    background: linear-gradient(90deg, transparent, #34d399, transparent);
    box-shadow: 0 0 8px #34d399;
}

.item-card.free .room-pill {
    background: rgba(16, 185, 129, 0.14);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.3);
}

.item-card.free .room-pill:hover {
    background: rgba(16, 185, 129, 0.25);
    border-color: rgba(52, 211, 153, 0.55);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.item-card.free .time-pill {
    color: #34d399;
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(52, 211, 153, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.item-card.free:hover .course-name {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(52, 211, 153, 0.35);
}

/* DROPDOWN PERSONALIZADO ULTRA-MODERNO (CYBER / GLASSMORPHIC) */
.custom-dropdown {
    position: relative;
    max-width: 320px;
    width: 100%;
    user-select: none;
}

.dropdown-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 23, 42, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 9px 14px;
    color: #f8fafc;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

.dropdown-trigger:hover, .custom-dropdown.open .dropdown-trigger {
    border-color: rgba(56, 189, 248, 0.6);
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.25), inset 0 1px 0 rgba(56, 189, 248, 0.25);
}

.dropdown-chevron {
    color: var(--text-muted);
    transition: transform 0.25s ease, color 0.2s ease;
    flex-shrink: 0;
    margin-left: 10px;
}

.dropdown-trigger:hover .dropdown-chevron, .custom-dropdown.open .dropdown-chevron {
    color: #38bdf8;
}

.custom-dropdown.open .dropdown-chevron {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid rgba(56, 189, 248, 0.28);
    border-radius: 12px;
    backdrop-filter: blur(24px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 18px rgba(14, 165, 233, 0.18);
    max-height: 270px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    padding: 6px;
}

.custom-dropdown.open .dropdown-menu {
    display: block;
    animation: dropdownFade 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-6px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8.5px 12px;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    background: rgba(56, 189, 248, 0.14);
    color: #ffffff;
    transform: translateX(3px);
}

.dropdown-item.active {
    background: linear-gradient(90deg, rgba(56, 189, 248, 0.22) 0%, rgba(14, 165, 233, 0.08) 100%);
    color: #ffffff;
    font-weight: 700;
    border-left: 3px solid #38bdf8;
}

.dropdown-item .active-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 4px;
    background: rgba(56, 189, 248, 0.25);
    color: #7dd3fc;
    border: 1px solid rgba(56, 189, 248, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.item-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
}

.room-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(244, 63, 94, 0.12);
    color: #fb7185;
    font-size: 12px;
    font-weight: 700;
    padding: 3.5px 10px;
    border-radius: 20px;
    border: 1px solid rgba(251, 113, 133, 0.24);
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: 0.01em;
    line-height: 1;
}
.room-pill:hover {
    background: rgba(244, 63, 94, 0.22);
    border-color: rgba(251, 113, 133, 0.5);
    transform: translateY(-1px);
}

.status-dot.occ {
    background: #fb7185;
    box-shadow: 0 0 6px #f43f5e;
    animation: pulseDotOcc 2.2s infinite ease-in-out;
}

@keyframes pulseDotOcc {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 6px #f43f5e; }
    50% { opacity: 0.6; transform: scale(0.85); box-shadow: 0 0 2px #f43f5e; }
}

.time-pill {
    min-width: 0;
    max-width: 100%;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3.5px 9px;
    border-radius: 6px;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

.course-name {
    font-size: 14px;
    font-weight: 700;
    color: #f8fafc;
    line-height: 1.35;
    letter-spacing: 0.01em;
    overflow-wrap: anywhere;
    transition: color 0.18s ease;
}

#tab-salas,
#tab-salas > .control-card,
#grid-vacias,
#grid-ocupadas {
    min-width: 0;
    max-width: 100%;
}

@media (max-width: 560px) {
    #grid-vacias,
    #grid-ocupadas { grid-template-columns: minmax(0, 1fr); }
    #grid-vacias .item-card,
    #grid-ocupadas .item-card { padding: 13px 14px; }
    #grid-vacias .item-top,
    #grid-ocupadas .item-top { align-items: flex-start; }
}

.item-card:hover .course-name {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(251, 113, 133, 0.35);
}

.item-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 2.5px;
    margin-top: 2px;
}

.item-meta strong {
    color: #e2e8f0;
    font-weight: 600;
}

/* ESTADO VACÍO */
.empty-state {
    padding: 36px 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-sub);
    background: rgba(15, 23, 42, 0.5);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    grid-column: 1 / -1;
}

/* HORARIO POR SALA: REDISEÑO MODERNO DE ALTA GAMA */
.timetable-header-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 20px;
    margin-bottom: 22px;
    background: linear-gradient(135deg, rgba(22, 30, 49, 0.85) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid rgba(56, 189, 248, 0.22);
    border-radius: 14px;
    box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(56, 189, 248, 0.2);
    position: relative;
    overflow: hidden;
}

.timetable-header-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #38bdf8 0%, #3b82f6 100%);
    box-shadow: 0 0 10px #38bdf8;
}

.timetable-title-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.timetable-pill-tag {
    font-size: 10px;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.timetable-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.timetable-room-indicator {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
}
.timetable-room-indicator.e441 {
    background: #38bdf8;
    box-shadow: 0 0 8px #38bdf8;
}
.timetable-room-indicator.v432 {
    background: #a855f7;
    box-shadow: 0 0 8px #a855f7;
}

.timetable-room-title {
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.01em;
    margin: 0;
}

.timetable-campus-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.09);
    color: #94a3b8;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.timetable-day-card {
    background: linear-gradient(180deg, rgba(22, 30, 49, 0.85) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
    margin-bottom: 18px;
    overflow: hidden;
    box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.35);
    position: relative;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.timetable-day-card:hover {
    border-color: rgba(56, 189, 248, 0.22);
    box-shadow: 0 10px 28px -4px rgba(0, 0, 0, 0.45);
}

.timetable-day-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15%;
    right: 15%;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.65), transparent);
}

.timetable-day-card.free-day {
    border-color: rgba(16, 185, 129, 0.22);
}
.timetable-day-card.free-day::before {
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.65), transparent);
}

.timetable-day-head {
    background: rgba(13, 19, 33, 0.72);
    padding: 13px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.day-title-group {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 14.5px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.01em;
}

.day-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #38bdf8;
    box-shadow: 0 0 8px #0284c7;
    display: inline-block;
    animation: pulseDotRamo 2.2s infinite ease-in-out;
}

.day-dot.free {
    background: #34d399;
    box-shadow: 0 0 8px #10b981;
    animation: pulseDot 2.2s infinite ease-in-out;
}

.day-count-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 3.5px 12px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.day-count-badge.free {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.3);
}

.timetable-slot {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: background 0.18s ease, border-color 0.18s ease, padding 0.18s ease;
}

.timetable-slot:last-child {
    border-bottom: none;
}

.timetable-slot:hover {
    background: rgba(56, 189, 248, 0.04);
    border-left-color: #38bdf8;
    padding-left: 20px;
}

.slot-time {
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.22);
    color: #38bdf8;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 124px;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: 0.02em;
    transition: all 0.18s ease;
}

.slot-time-range {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

@media (max-width: 560px) {
    .slot-time {
        min-width: 78px;
        width: 78px;
        padding: 6px 7px;
        gap: 5px;
        font-size: 11px;
    }

    .slot-time-range {
        flex-direction: column;
        gap: 0;
        line-height: 1.15;
    }

    .slot-time-separator {
        display: none;
    }
}

.timetable-slot:hover .slot-time {
    background: rgba(56, 189, 248, 0.16);
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.25);
}

.slot-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.slot-course-row {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px 10px;
}

.slot-course-title {
    font-size: 14.5px;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: 0.01em;
    line-height: 1.35;
}

.slot-meta-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.09);
    color: #94a3b8;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.slot-teacher {
    font-size: 12px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.4;
}

.slot-teacher svg {
    flex-shrink: 0;
    opacity: 0.75;
}

.slot-teacher strong {
    color: #e2e8f0;
    font-weight: 600;
}

.slot-teacher .teacher-empty {
    color: #64748b;
    font-style: italic;
}

/* Bloques sin clases: Sala Vacía */
.timetable-slot.slot-free {
    background: rgba(16, 185, 129, 0.02);
    border-left: 3px solid rgba(16, 185, 129, 0.25);
}

.timetable-slot.slot-free:hover {
    background: rgba(16, 185, 129, 0.07);
    border-left-color: #10b981;
    padding-left: 20px;
}

.timetable-slot.slot-free .slot-time {
    background: rgba(16, 185, 129, 0.07);
    border-color: rgba(16, 185, 129, 0.22);
    color: #34d399;
}

.timetable-slot.slot-free:hover .slot-time {
    background: rgba(16, 185, 129, 0.16);
    border-color: rgba(52, 211, 153, 0.45);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.25);
}

.slot-free-row {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
}

.slot-free-title {
    font-size: 14px;
    font-weight: 700;
    color: #34d399;
    letter-spacing: 0.01em;
}

.slot-free-tag {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #6ee7b7;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* Horarios de sala y semestre ocupados usan el rojo coral de sala ocupada. */
#grid-ocupadas .time-pill:not(.free),
#malla-results-grid .time-pill {
    color: #fb7185;
    background: rgba(244, 63, 94, 0.12);
    border-color: rgba(251, 113, 133, 0.24);
}

.day-free-body {
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #34d399;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.04);
}

/* BLOQUE REDISEÑADO: SALAS SUGERIDAS (ABIERTAS, SIN CASILLAS ENCERRADAS) */
.suggested-rooms-block {
    margin: 22px 0 16px;
}

.suggested-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 14px;
}

/* Nube abierta de salas: abierta en la página, sin casilla contenedora interior ni scrollbars */
.room-chips-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 26px;
    padding: 2px 0;
}

.room-chip {
    background: rgba(22, 30, 49, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #cbd5e1;
    padding: 7px 14px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.room-chip:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px -2px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.room-chip:hover .chip-dot {
    transform: scale(1.2);
    filter: brightness(1.2);
}

.room-chip.active {
    background: rgba(30, 41, 69, 0.95);
    border-color: #38bdf8;
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transform: translateY(-2px);
}

.room-chip.active:hover {
    background: rgba(30, 41, 69, 1);
    border-color: #7dd3fc;
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.chip-dot.e441 {
    background: #38bdf8;
    box-shadow: 0 0 7px rgba(56, 189, 248, 0.9);
    animation: pulseDotRamo 2.2s infinite ease-in-out;
}

.chip-dot.v432 {
    background: #a855f7;
    box-shadow: 0 0 7px rgba(168, 85, 247, 0.9);
    animation: pulseDotProf 2.2s infinite ease-in-out;
}


@media (max-width: 768px) {
    .dropdown-menu {
        max-height: 200px;
    }
}

/* Profile Horizontal Carousel */
.profile-carousel {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px; /* Room for scrollbar or touch */
    margin-bottom: -8px; /* Offset padding */
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}
.profile-carousel::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}
.profile-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 9999px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    color: #94a3b8;
    font-size: 13.5px;
    font-weight: 500;
}
.profile-pill:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: rgba(56, 189, 248, 0.3);
    color: #e2e8f0;
}
.profile-pill.active {
    background: rgba(56, 189, 248, 0.15);
    border-color: #38bdf8;
    color: #38bdf8;
}
.profile-pill .avatar-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f8fafc;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}
.profile-pill.active .avatar-circle {
    background: #38bdf8;
    color: #0f172a;
}

@media (max-width: 500px) {
    .profile-pill {
        flex: 0 0 calc(33.333% - 8px);
        justify-content: center;
        padding: 6px 4px;
    }
    .profile-pill span {
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* Profile Cycler */
.profile-cycler {
    display: inline-flex;
    align-items: center;
    background: rgba(30,41,59,0.8);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 2px;
    user-select: none;
}
.cycler-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}
.cycler-btn:hover {
    background: rgba(255,255,255,0.05);
    color: #38bdf8;
    filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.4));
}
.cycler-btn:active {
    transform: scale(0.92);
}
.cycler-name-container {
    width: 80px;
    text-align: center;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 32px;
}
.cycler-name {
    color: #e2e8f0;
    font-size: 13.5px;
    font-weight: 600;
    position: absolute;
    width: 100%;
    left: 0;
    top: 50%;
    text-align: center;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}
.cycler-name.slide-out-left {
    transform: translate(-20px, -50%);
    opacity: 0;
}
.cycler-name.slide-out-right {
    transform: translate(20px, -50%);
    opacity: 0;
}
.cycler-name.slide-in-right {
    transform: translate(20px, -50%);
    opacity: 0;
}
.cycler-name.slide-in-left {
    transform: translate(-20px, -50%);
    opacity: 0;
}
.cycler-name.active {
    transform: translate(0, -50%);
    opacity: 1;
}

/* VARIANTES DE DISEÑO DEL CYCLER */
.cycler-name-container {
    width: 80px;
    text-align: center;
}

/* RESPONSIVE TRANSPORTE & CLIMA INTEGRATIONS */
.transporte-columns-grid {
    display: grid;
    /* minmax(0,1fr) en vez de minmax(320px,1fr) — evita overflow horizontal */
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 16px;
    /* Nunca puede exceder el ancho disponible */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* En escritorio mantener una lectura lineal, sin dividir Metro & Red al medio. */
@media (min-width: 700px) {
    .transporte-columns-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 699px) {
    .transporte-columns-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Reducir padding de los cards en móvil para ganar espacio */
    #tab-transporte .control-card {
        padding: 14px !important;
    }

    #clima-cards-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    #modal-songsterr > div {
        padding: 16px !important;
        max-height: 85vh !important;
    }

    .songsterr-item-row {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }

    /* El texto "Operativa"/"Afectada" se oculta en pantallas muy estrechas;
       solo queda el punto de color (más compacto) */
    .estado-txt {
        display: none;
    }
}

/* En pantallas muy estrechas (<380px) reducir padding aún más */
@media (max-width: 380px) {
    body {
        padding-left: 10px;
        padding-right: 10px;
    }
    #tab-transporte .control-card {
        padding: 10px !important;
    }
}

/* Metro & Red: el contenido dinámico nunca debe ensanchar el viewport móvil. */
/* Se removio #tab-transporte para que herede max-width de .panel */
#tab-transporte .control-card,
#metro-lineas-grid,
#metro-alertas-panel,
#transporte-buses-list {
    min-width: 0;
    max-width: 100%;
}

.metro-alertas-scroll,
.metro-linea-capsule,
.metro-linea-detail,
.transporte-bus-row {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.metro-linea-header {
    min-width: 0;
}

.metro-status-capsule {
    align-items: center;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    display: flex;
    gap: 9px;
    max-width: 245px;
    min-width: 0;
    padding: 8px 11px;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.metro-status-icon {
    align-items: center;
    border: 1px solid;
    border-radius: 9px;
    display: inline-flex;
    flex-shrink: 0;
    height: 28px;
    justify-content: center;
    width: 28px;
}

.metro-status-icon .estado-dot {
    border-radius: 50%;
    display: block;
    height: 8px;
    width: 8px;
}

.metro-status-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.metro-status-copy strong {
    color: currentColor;
    font-size: 11px;
    line-height: 1.15;
    white-space: nowrap;
}

.metro-status-copy small {
    color: #94a3b8;
    font-size: 9.5px;
    line-height: 1.15;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.metro-linea-header > div:first-child,
.metro-linea-header > div:first-child > div:last-child {
    min-width: 0;
}

.transporte-bus-row > div {
    min-width: 0;
}

@media (max-width: 699px) {
    #tab-transporte .transporte-columns-grid {
        width: 100%;
        min-width: 0;
    }

    #tab-transporte .control-card {
        overflow: hidden;
    }

    #metro-alertas-panel,
    #transporte-buses-list {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    #tab-transporte #transporte-codigo-input {
        min-width: 0;
        width: 100%;
    }

    #tab-transporte .metro-status-capsule {
        max-width: 190px;
    }

    #tab-transporte #transporte-buses-list {
        min-width: 0;
    }
}