/* =============================================================
   Módulo: Students — estilos inline extraídos de students.html
   Ruta: /public/css/students-inline.css
   ============================================================= */

/* ── Variables base y preloader ── */
:root {
    --bg-primary: #FAFAF9;
    --primary: #020b47;
}
[data-theme="dark"] {
    --bg-primary: #171717;
    --primary: #020b47;
}

@keyframes onAutoFillStart { from { /**/ } to { /**/ } }
#searchInput:-webkit-autofill { animation-name: onAutoFillStart; }

body {
    background: var(--bg-primary);
    margin: 0;
    font-family: system-ui;
}

.app-container { opacity: 0; transition: opacity 0.5s ease; }
.app-container.loaded { opacity: 1; }

#preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: preloader-pulse 2s infinite ease-in-out;
}
.preloader-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
}
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(2, 11, 71, 0.2);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@keyframes preloader-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%       { transform: scale(0.92); opacity: 0.8; }
}
#preloader.hidden {
    opacity: 0;
    transform: scale(1.1);
    pointer-events: none;
}

/* ── Auto-hint TSE ── */
.auto-hint {
    position: absolute;
    top: 38px; left: 12px;
    font-size: 11px;
    color: var(--text-secondary);
    opacity: .35;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
}
.tse-auto.filled + .auto-hint,
.tse-auto:focus + .auto-hint { opacity: 0; transform: translateY(-4px); }

/* ── Botón de ayuda (?) ── */
.help-icon-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    margin-left: 6px;
    transition: all 0.2s ease;
    vertical-align: middle;
}
.help-icon-btn:hover  { color: var(--primary-dark, #010824); transform: scale(1.1); }
.help-icon-btn:active { transform: scale(0.95); }

/* ── Caja de ayuda desplegable ── */
.section-help-box {
    margin-top: 10px;
    padding: 12px;
    background: rgba(6, 182, 212, 0.08);
    border-left: 4px solid var(--primary);
    border-radius: 6px;
    animation: slideDown 0.3s ease-out;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Modal de decisión de grado ── */
.grade-decision-option { transition: all 0.2s ease; }
.grade-decision-option:hover {
    border-color: var(--primary) !important;
    background: var(--bg-secondary) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}
.grade-decision-option:has(input:checked) {
    border-color: var(--primary) !important;
    background: rgba(6, 182, 212, 0.08) !important;
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}
#gradeDecisionMapSelect:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
}
.grade-decision-option:has(input[value="map"]:checked) #gradeDecisionMapSelect {
    opacity: 1 !important;
    cursor: pointer !important;
    background: var(--bg-primary) !important;
}

/* ── Scrollbar del modal de decisión de grado ── */
#gradeDecisionExistingGrades::-webkit-scrollbar       { width: 6px; }
#gradeDecisionExistingGrades::-webkit-scrollbar-track { background: var(--bg-primary); border-radius: 3px; }
#gradeDecisionExistingGrades::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
#gradeDecisionExistingGrades::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ── Animación entrada modal ── */
#gradeDecisionModal.show .modal-content {
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Responsive modal decisión ── */
@media (max-width: 800px) {
    #gradeDecisionModal .modal-content { max-width: 95% !important; }
    #gradeDecisionModal .modal-body > div:first-child { grid-template-columns: 1fr !important; }
}
@media (max-height: 700px) {
    #gradeDecisionModal .modal-content { max-height: 95vh; }
    #gradeDecisionExistingGrades { max-height: 100px !important; }
}
@media (max-height: 600px) {
    #gradeDecisionModal .modal-header { padding: 12px 16px !important; }
    #gradeDecisionModal .modal-body   { padding: 14px 16px !important; }
    #gradeDecisionModal .modal-footer { padding: 10px 16px !important; }
    #gradeDecisionExistingGrades { max-height: 80px !important; }
}

/* ── Móvil: scroll de página ── */
@media (max-width: 768px) {
    body:has(.app-container:has(.dashboard-layout)) {
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch;
    }
    .app-container:has(.dashboard-layout) { min-height: 100vh; }
    .app-container:has(.dashboard-layout) .dashboard-layout { min-height: 0; }
    .app-container:has(.dashboard-layout) .dashboard-main { overflow-x: hidden; overflow-y: auto; }
    .main-content { padding-bottom: 2rem; }
}