/* ============================================ */
/* COMPONENTES COMPARTIDOS - Rabi               */
/* Extraido de <style> blocks de paneles .razor */
/* ============================================ */

/* ============================= */
/* PANEL: Shared hover effects   */
/* ============================= */

.btn-add:hover {
    transform: scale(1.05);
    background-color: var(--color-primary-bright-hover) !important;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1) !important;
}

.card {
    transition: all 0.25s ease;
}

.badge {
    transition: all 0.15s ease;
}

.card:hover .badge {
    background-color: var(--color-primary-bright) !important;
    color: white !important;
}

/* ============================= */
/* MODAL: Dark theme             */
/* ============================= */

.modal-content {
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.modal-title {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--border-light);
}

.modal-backdrop-custom {
    display: block;
    background-color: var(--overlay-dark);
    backdrop-filter: blur(2px);
}

.modal-header-custom {
    padding: 1.5rem 1.5rem 0.5rem;
}

.modal-title-custom {
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

.btn-close-custom {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.modal-body-custom {
    padding: 0 1.5rem 1rem;
}

.modal-footer-custom {
    border-top: 1px solid var(--border-light) !important;
}

/* ============================= */
/* FORM: Dark modal context      */
/* ============================= */

.form-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-light);
}

.form-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
}

.form-section-title i {
    margin-right: 8px;
    font-size: 1.1rem;
}

.modal-content .form-label,
.form-label-dark {
    font-size: 0.78rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.35rem;
}

.modal-content .form-control,
.modal-content .form-select {
    background: var(--input-bg-dark);
    border: 1px solid var(--border-light);
    color: white;
    font-size: 0.85rem;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: all 0.25s ease;
}

.modal-content .form-select option,
.form-input-dark option,
.form-select-dark option {
    background-color: #fff;
    color: #333;
}

.modal-content .form-control:focus,
.modal-content .form-select:focus {
    background: var(--input-bg-dark-hover);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
    border-color: var(--border-lightest);
    color: white;
}

.modal-content .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.modal-content .form-check-input {
    background-color: var(--input-bg-dark);
    border: 1px solid var(--border-light);
}

.modal-content .form-check-input:checked {
    background-color: var(--color-primary-bright);
    border-color: var(--color-primary-bright);
}

.modal-content .form-check-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
}

/* ============================= */
/* FORM: Utility classes (inline */
/* style replacements)           */
/* ============================= */

.form-input-dark {
    background-color: var(--input-bg-dark) !important;
    color: white !important;
    transition: all var(--transition-normal);
}

.form-input-dark[type="number"]::-webkit-outer-spin-button,
.form-input-dark[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-input-dark[type="number"] {
    -moz-appearance: textfield;
}

.form-select-dark {
    background-color: var(--input-bg-dark) !important;
    color: white !important;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.validation-summary-dark {
    font-size: 0.85rem;
}

.form-text-dark {
    font-size: 0.75rem;
}

.section-title-bordered {
    font-size: 1rem;
    border-bottom: 1px solid var(--border-lighter);
    padding-bottom: 0.5rem;
}

/* ============================= */
/* PANEL: Layout utilities       */
/* ============================= */

.page-content {
    width: 100%;
    padding: 1rem 2rem;
    position: relative;
}

@media (min-width: 768px) {
    .page-content {
        padding: 1.25rem 3rem;
    }
}

@media (min-width: 1200px) {
    .page-content {
        padding: 1.25rem 5rem;
    }
}

.btn-add-circle {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary-bright);
    border: none;
    color: var(--color-white);
    transition: transform var(--transition-fast);
}

.panel-header {
    background-color: var(--color-primary-bright);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.panel-header-title {
    font-size: 1.75rem;
    font-weight: 600;
}

.panel-header-subtitle {
    font-size: 0.95rem;
}

/* ============================= */
/* CARD: Interactive cards       */
/* ============================= */

.card-interactive {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
}

.btn-card-action {
    z-index: 10;
    opacity: 0.9;
}

.card-avatar-wrapper {
    width: 115px;
    height: 115px;
    flex-shrink: 0;
    margin-top: 15px;
}

.card-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary-bright);
}

.card-program-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-bright);
}

.card-detail-compact {
    line-height: 1.2;
}

.card-detail-row {
    margin-bottom: 0.1rem;
    margin-left: 0.5rem;
}

.card-detail-icon {
    color: var(--color-text-muted);
    width: 16px;
}

.card-detail-text {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

.badge-primary-light {
    background-color: var(--badge-bg-light);
    color: var(--color-primary-bright);
}

/* ============================= */
/* PHOTO: Upload area            */
/* ============================= */

.photo-container {
    height: 220px;
    width: 100%;
    background: var(--input-bg-dark);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-light);
    overflow: hidden;
}

.photo-placeholder {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    padding: 1rem;
}

.photo-placeholder i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.image-preview-box {
    height: 200px;
    width: 200px;
    background-color: var(--input-bg-dark);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px dashed var(--border-lighter);
    transition: all var(--transition-normal);
}

.image-column-border {
    padding: 1rem;
    border-left: 1px solid var(--overlay-light);
}

.btn-photo-add {
    background-color: white;
    color: var(--color-primary);
    border: none;
    transition: all var(--transition-normal);
    border-radius: 20px;
}

.btn-photo-clear {
    background-color: transparent;
    color: white;
    border: 1px solid var(--border-lightest);
    transition: all var(--transition-normal);
    border-radius: 20px;
}

.alert-image-error {
    font-size: 0.8rem;
    background-color: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #ff8a8a;
    border-radius: var(--radius-sm);
}

/* ============================= */
/* BUTTONS: Modal context        */
/* ============================= */

.modal-content .btn-light,
.btn-modal-light {
    background: white;
    color: var(--color-primary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
}

.modal-content .btn-light:hover,
.btn-modal-light:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
}

.modal-content .btn-outline-light,
.btn-modal-outline {
    border: 1px solid var(--border-lightest);
    color: white;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
}

.modal-content .btn-outline-light:hover,
.btn-modal-outline:hover {
    background: var(--overlay-light);
}

/* ============================= */
/* LOGIN: Styles                 */
/* ============================= */

.login-container {
    font-family: 'Noto Sans', sans-serif;
    background-color: var(--color-primary);
}

.login-box {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-md);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.login-box-size {
    max-width: 380px;
    width: 100%;
}

.login-logo {
    max-height: 150px;
}

.login-container .form-control {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--login-border);
    background-color: var(--login-input-bg) !important;
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
}

.login-container .form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 85, 163, 0.15);
    border-color: var(--color-primary);
}

.btn-login {
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: 0.65rem;
    font-weight: 600;
    font-size: 0.9rem;
}

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

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 0.9rem;
}

.password-wrapper {
    position: relative;
}

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

/* ============================= */
/* LAYOUT: BlankLayout           */
/* ============================= */

.blank-layout {
    background-color: var(--color-primary);
}

/* ============================= */
/* DOCUMENT: Grid (StudentPanel) */
/* ============================= */

.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.document-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    padding: 0.9rem;
    border: 1px solid var(--border-light);
}

.compact-row {
    margin-bottom: -0.5rem;
}

.compact-row > div {
    margin-bottom: 0.5rem;
}

/* ============================= */
/* SKELETON: Loading placeholder */
/* ============================= */

.skeleton-pulse {
    background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-bg-lighter) 50%, var(--color-bg-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================= */
/* SKELETON: Size variants       */
/* ============================= */

.skeleton-circle {
    height: 2rem;
    width: 2rem;
    border-radius: 50% !important;
}

.skeleton-title {
    height: 20px;
    width: 60%;
}

.skeleton-subtitle {
    height: 14px;
    width: 40%;
}

/* ============================= */
/* BREADCRUMB: Panel navigation  */
/* ============================= */

.breadcrumb-panel {
    font-size: 0.85rem;
}

.breadcrumb-link {
    cursor: pointer;
    color: var(--color-primary-bright);
    text-decoration: none;
}

.breadcrumb-active {
    color: var(--color-text-muted);
}

/* ============================= */
/* CARD: Action buttons (edit/   */
/* delete on hover cards)        */
/* ============================= */

.card-actions {
    z-index: 10;
}

.btn-card-edit {
    width: 30px;
    height: 30px;
    background-color: rgba(5, 144, 225, 0.1);
    color: var(--color-primary-bright);
}

.btn-card-delete {
    width: 30px;
    height: 30px;
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--color-error);
}

/* ============================= */
/* CARD: Icons                   */
/* ============================= */

.card-icon {
    font-size: 2rem;
    color: var(--color-primary-bright);
}

.card-icon-sm {
    font-size: 0.7rem;
}

/* ============================= */
/* EMPTY STATE                   */
/* ============================= */

.empty-icon {
    font-size: 3rem;
    color: var(--color-text-muted);
}

.empty-icon-md {
    font-size: 2.5rem;
    color: var(--color-text-muted);
}

.empty-text {
    color: var(--color-text-muted);
}

/* ============================= */
/* TABS: Program tabs            */
/* ============================= */

.tab-container {
    overflow-x: auto;
    gap: 0.4rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-gray-light);
}

.tab-btn {
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    padding: 0.55rem 1.25rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--color-text-muted);
    background: none;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.tab-btn-active {
    background-color: var(--color-primary-bright);
    color: var(--color-white);
    font-weight: 600;
}

.tab-btn-inactive {
    background-color: transparent;
    color: var(--color-text-muted);
}

.tab-btn-inactive:hover {
    background-color: rgba(5, 144, 225, 0.06);
    color: var(--color-primary-bright);
}

.tab-btn-add {
    background-color: transparent;
    color: var(--color-text-muted);
    padding: 0.55rem 0.9rem;
}

.tab-btn-add:hover {
    color: var(--color-primary-bright);
    background-color: rgba(5, 144, 225, 0.06);
}

.btn-back-level {
    background: none;
    color: var(--color-primary-bright);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s, color 0.2s;
}

.btn-back-level:hover {
    background-color: rgba(5, 144, 225, 0.08);
    color: var(--color-primary-bright-hover);
}

.tab-icon-edit {
    font-size: 0.6rem;
    cursor: pointer;
    opacity: 0.8;
}

.tab-icon-edit:hover {
    opacity: 1;
}

.delete-warning-detail {
    font-size: 0.85rem;
    color: var(--color-danger);
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.tab-icon-delete {
    font-size: 0.6rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.7);
}

.tab-icon-delete:hover {
    color: var(--color-white);
}

/* ============================= */
/* BADGE: Mode/status            */
/* ============================= */

.badge-mode {
    background-color: rgba(5, 144, 225, 0.15);
    color: var(--color-primary-bright);
    font-size: 0.7rem;
}

/* ============================= */
/* TEXT: Date range & count      */
/* ============================= */

.text-date-range {
    color: var(--color-text-muted);
    font-size: 0.72rem;
}

.text-count {
    color: var(--color-text-muted);
}

.text-muted-sm {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ============================= */
/* SECTION: Subtitle & actions   */
/* ============================= */

.section-subtitle {
    color: var(--color-text-muted);
}

.btn-outline-action {
    color: var(--color-primary-bright);
    border: 1px solid var(--color-primary-bright);
}

.btn-outline-action i {
    font-size: 0.75rem;
}

/* ============================= */
/* BULK: Modal row utilities     */
/* ============================= */

.bulk-row {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-light);
}

.bulk-row:last-of-type {
    border-bottom: none;
}

.bulk-row-number {
    font-size: 0.75rem;
    width: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.bulk-row-sub {
    padding-left: 26px;
}

.bulk-date-w {
    width: 130px;
    flex-shrink: 0;
}

.bulk-time-w {
    width: 110px;
    flex-shrink: 0;
}

.bulk-select-teacher {
    width: 180px;
    flex-shrink: 0;
}

.select-mode-w {
    width: 150px;
    flex-shrink: 0;
}

.btn-remove-row {
    color: var(--color-error);
}

.btn-remove-row i {
    font-size: 0.75rem;
}

.btn-add-row {
    color: var(--color-primary-bright);
}

.btn-add-row i {
    font-size: 0.7rem;
}

/* ============================= */
/* MODAL: Borders & info text    */
/* ============================= */

.modal-section-border {
    border-top: 1px solid var(--border-light);
}

.modal-info-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.modal-info-highlight {
    color: white;
}

/* ============================= */
/* EXAM TAKING PAGE              */
/* ============================= */

/* Header bar */
.exam-header-bar {
    background: var(--color-primary);
    border-radius: 12px;
    padding: 16px 24px;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.06);
}

/* Timer */
.exam-timer {
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 6px 14px;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: #fff;
    letter-spacing: 1px;
}

.exam-timer-danger {
    background: rgba(239, 68, 68, 0.25);
    color: var(--color-error);
    animation: pulse-timer 1s infinite;
}

.exam-timer-submitted {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success);
}

@keyframes pulse-timer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Progress badge */
.exam-progress-badge {
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

/* Submitted banner */
.exam-submitted-banner {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 12px;
    margin-bottom: 20px;
}

/* Description card */
.exam-description-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
}

/* Progress bar container */
.exam-progress-bar-container {
    margin-bottom: 24px;
}

/* Questions container */
.exam-questions-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 90px;
}

/* Question card */
.exam-question-card {
    background: var(--color-primary);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s;
}

.exam-question-card:hover {
    border-color: rgba(255,255,255,0.12);
}

.exam-question-answered {
    border-left: 3px solid var(--color-accent);
}

/* Question number */
.exam-question-number {
    background: var(--color-accent);
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.exam-question-score {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.05);
    padding: 2px 10px;
    border-radius: 12px;
}

.exam-question-text {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
    margin-bottom: 16px;
}

/* Options (multiple choice) */
.exam-options-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.exam-option {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 14px 18px;
    color: rgba(255,255,255,0.85);
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    width: 100%;
}

.exam-option:hover:not(:disabled) {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.15);
}

.exam-option:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.exam-option-selected {
    background: rgba(99, 102, 241, 0.12);
    border-color: var(--color-accent);
}

.exam-option-radio {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 0.8rem;
    color: #fff;
}

.exam-option-radio-selected {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* Text answer */
.exam-text-answer {
    margin-top: 4px;
}

.exam-textarea {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.9);
    border-radius: 8px;
    font-size: 0.9rem;
    resize: vertical;
}

.exam-textarea:focus {
    background: rgba(255,255,255,0.06);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
    color: rgba(255,255,255,0.95);
}

.exam-textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Submit bar */
.exam-submit-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-primary);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 14px 24px;
    z-index: 1050;
    backdrop-filter: blur(12px);
}

.exam-submit-btn {
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    transition: all 0.2s;
}

.exam-submit-btn:hover:not(:disabled) {
    filter: brightness(1.15);
    color: #fff;
}

.exam-submit-btn:disabled {
    opacity: 0.6;
    color: #fff;
}

/* Responsive exam */
@media (max-width: 768px) {
    .exam-header-bar {
        padding: 12px 16px;
    }

    .exam-question-card {
        padding: 16px;
    }

    .exam-submit-bar {
        padding: 12px 16px;
    }

    .exam-timer {
        font-size: 0.95rem;
        padding: 4px 10px;
    }
}