/*
 * Sursă unică pentru toate culorile/stilurile din aplicație.
 * Nu folosi culori hardcodate (#hex, rgb/rgba) în șabloane — adaugă/reutilizează
 * o variabilă aici, ca o schimbare de culoare să se reflecte peste tot dintr-un loc.
 */
:root {
    --color-indigo: #5A7FE7;
    --color-indigo-dark: #262178;
    --color-magenta: #EC2E88;
    --color-teal: #0d9488;
    --color-danger: #dc2626;
    --color-danger-dark: #b91c1c;

    --color-bg: #f5f4fb;
    --color-surface: #ffffff;
    --color-surface-alt: #faf9ff;
    --color-text: #1f2130;
    --color-text-muted: #5b5e73;
    --color-border: #e2e0f2;

    --color-white: #ffffff;
    --color-black: #000000;
    --color-dark-bg: #0f0f1a;

    /* Culori translucide reutilizate (overlay-uri, badge-uri, alerte) */
    --color-teal-tint: rgba(13, 148, 136, 0.15);
    --color-teal-tint-strong: rgba(13, 148, 136, 0.35);
    --color-danger-tint: rgba(220, 38, 38, 0.12);
    --color-white-tint-strong: rgba(255, 255, 255, 0.92);
    --color-black-tint-strong: rgba(0, 0, 0, 0.35);
    --color-black-tint: rgba(0, 0, 0, 0.45);

    --radius: 14px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow: 0 4px 16px rgba(55, 48, 163, 0.12);
    --shadow-elevated: 0 8px 24px var(--color-black-tint-strong);

    --gradient-brand: linear-gradient(135deg, var(--color-indigo), var(--color-magenta), var(--color-teal));
    --gradient-navbar: linear-gradient(90deg, var(--color-indigo) 0%, var(--color-magenta) 100%);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Segoe UI", Roboto, system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a {
    color: var(--color-indigo);
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px;
}

/* --- Bara de sus a panoului Admin (logo + utilizator + Ieșire) --- */
.admin-topbar {
    background: var(--gradient-navbar);
    color: var(--color-white);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-brand {
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.1rem;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-username {
    color: var(--color-white);
    font-weight: 600;
}

.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-white-tint-strong);
    color: var(--color-indigo-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.btn-topbar {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white-tint-strong);
}

.btn-topbar:hover {
    background: var(--color-white-tint-strong);
    color: var(--color-indigo-dark);
}

/* --- Meniu lateral al panoului Admin --- */
.admin-shell {
    display: flex;
    align-items: stretch;
}

.admin-sidebar {
    width: 220px;
    min-height: 100vh;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 20px 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.95rem;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background: var(--color-surface-alt);
}

.sidebar-link.active {
    background: var(--color-teal-tint);
    color: var(--color-indigo);
    border-left-color: var(--color-indigo);
}

.sidebar-icon {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.admin-main {
    flex: 1;
    min-width: 0;
}

.admin-main .container {
    max-width: none;
    margin: 0;
    padding: 24px;
}

@media (max-width: 720px) {
    .admin-shell {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        min-height: 100vh;
        flex-direction: row;
        flex-wrap: wrap;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 8px;
    }

    .sidebar-link {
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 8px 12px;
    }

    .sidebar-link.active {
        border-left-color: transparent;
        border-bottom-color: var(--color-indigo);
    }
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin: 14px 0;
}

/* Card imbricat (module în interiorul unui volum, componente în interiorul unui modul etc.) */
.card-nested {
    background: var(--color-surface-alt);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin: 2px 0;
}

/* Fundal gradient brand — pagini de tip "hero" (login, erori, pagini publice) */
.hero-gradient {
    background: var(--gradient-brand);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Butoane ---
 * Toate variantele (.btn-primary/.btn-secondary/.btn-danger) pornesc din aceeași
 * bază, cu border rezervat (transparent), ca dimensiunea să fie identică indiferent
 * dacă e <button> sau <a>, plin sau conturat. */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    border-radius: var(--radius-pill);
    padding: 12px 28px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    background: var(--color-teal);
    color: var(--color-white);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px var(--color-teal-tint-strong);
}

.btn svg {
    width: 30px;
    height: 30px;
    margin-right: 6px;
}

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

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

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

/* Variantă compactă pentru acțiuni în tabele/liste (ex. Revocă, Editează) */
.btn-sm {
    padding: 4px 14px;
    font-size: 0.85rem;
}

/* --- Butoane cu iconiță vectorială + tooltip (nativ, via title="") --- */

.btn-icon-simple {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    flex-shrink: 0;
    border-radius: 20%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.btn-icon:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
    color: var(--color-indigo);
    background: var(--color-surface-alt);
}

.btn-icon:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-icon:disabled:hover {
    transform: none;
    box-shadow: none;
    color: var(--color-text-muted);
    background: var(--color-surface);
}

.btn-icon-danger {
    border-color: var(--color-danger-tint);
    color: var(--color-danger);
}

.btn-icon-danger:hover {
    background: var(--color-danger-tint);
    color: var(--color-danger-dark);
}

/* --- Butoane "tile" informative (icon + titlu + subtitlu), pentru acțiuni importante
 * de nivel volum (ex. carte electronică, coduri de activare) — mai vizibile decât
 * un simplu .btn-icon cu tooltip, dar fără greutatea unui .btn plin. */
.volume-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 12px 0 20px;
}

.action-tile {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 230px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    color: var(--color-text);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.action-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--color-indigo);
}

.action-tile-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-indigo);
    color: var(--color-white);
}

.action-tile-icon svg {
    width: 20px;
    height: 20px;
}

.action-tile-codes .action-tile-icon {
    background: var(--color-magenta);
}

.action-tile-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.action-tile-title {
    font-weight: 700;
    font-size: 0.92rem;
}

.action-tile-subtitle {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    background-color: aliceblue;
}

.badge-active {
    background: var(--color-teal-tint);
    color: var(--color-teal);
}

.badge-inactive {
    background: var(--color-danger-tint);
    color: var(--color-danger);
}

.status-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

.status-dot-online {
    background: var(--color-teal);
    box-shadow: 0 0 0 3px var(--color-teal-tint);
}

.status-dot-offline {
    background: var(--color-border);
}

/* --- Carduri de sumar (Dashboard) --- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--color-teal-tint);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-card-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 4px 0 0;
}

.stat-card-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.alert-error {
    background: rgba(220, 38, 38, 0.1);
    color: var(--color-danger-dark);
}

.alert-success {
    background: var(--color-teal-tint);
    color: var(--color-teal);
}

/* --- Toast (notificări globale, vezi fragments/toast.html + js/toast.js) --- */
.toast-stack {
    position: fixed;
    top: 70px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 30%;
    min-width: 280px;
    max-width: 550px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: var(--color-text);
    border-left: 4px solid var(--color-indigo);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
}

.toast-visible {
    transform: translateX(0);
    opacity: 1;
}

.toast-hiding {
    transform: translateX(120%);
    opacity: 0;
}

.toast-success {
    border-left-color: var(--color-teal);
    color: var(--color-teal);
}

.toast-error {
    border-left-color: var(--color-danger);
    color: var(--color-danger-dark);
}

.toast-text {
    flex: 1;
    font-size: 0.92rem;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    padding: 0;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
}

.toast-close:hover {
    opacity: 1;
}

@media (max-width: 720px) {
    .toast-stack {
        left: 0;
        right: 0;
        width: 100%;
        max-width: none;
        min-width: 0;
        padding: 0 8px;
        box-sizing: border-box;
    }
}

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

/* --- Modal (dialog nativ HTML) --- */
.modal {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-elevated);
    padding: 24px;
    width: 100%;
    max-width: 600px;
    margin: auto;
}

.modal::backdrop {
    background: var(--color-black-tint);
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 4px;
}

/* --- Mesaje către aplicația mobilă (admin/messages) --- */
.message-form-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 24px;
    align-items: start;
}

@media (max-width: 960px) {
    .message-form-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

.message-form-dates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0 12px;
}

.message-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    max-width: 420px;
}

.form-hint {
    margin: 4px 0 0;
    font-size: 0.85rem;
}

/* Lățimea ≈ ecranul unui telefon, ca imaginile/alinierea să arate ca în aplicație. */
.message-editor-frame {
    /*max-width: 420px;*/
}

.message-editor-frame .ql-container {
    min-height: 220px;
    font-size: 15px;
}

.message-editor-frame .ql-container.ql-disabled {
    min-height: 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

/* Confirmare/alertă/input în stilul panoului, în locul confirm()/alert()/prompt() — js/app-dialog.js */
.app-dialog {
    max-width: 440px;
}

.app-dialog-message {
    margin: 0 0 16px;
    white-space: pre-line;
}

.app-dialog-input {
    width: 100%;
    margin-bottom: 16px;
    box-sizing: border-box;
}

.app-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

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

/* --- Bară de progres (modal de upload materiale, vezi js/material-upload.js) --- */
.progress-bar {
    width: 100%;
    height: 10px;
    border-radius: var(--radius-pill);
    background: var(--color-surface-alt);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    background: var(--color-indigo);
    transition: width 0.2s ease;
}

.progress-bar-fill.progress-bar-indeterminate {
    width: 100% !important;
    background: linear-gradient(90deg, var(--color-indigo) 0%, var(--color-magenta) 50%, var(--color-indigo) 100%);
    background-size: 200% 100%;
    animation: progress-bar-stripe 1.2s linear infinite;
}

@keyframes progress-bar-stripe {
    0% { background-position: 200% 0; }
    100% { background-position: 0 0; }
}

/* --- Player video public (pagina de scenă) --- */
.player-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-black);
}

.player-wrapper-portrait {
    max-width: 360px;
    margin: 0 auto;
}

/* --- Antetul paginii publice a materialului reprezentativ al volumului: logo+titlu și
   textul descriptiv, unul lângă altul (centrate) pe ecrane late, pe o coloană (centrate)
   pe ecrane mici --- */
.volume-cover-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
}

@media (min-width: 760px) {
    .volume-cover-header {
        flex-direction: row;
    }
}

/* --- Pagina publică a materialului reprezentativ al volumului: card-ul playerului +
   card-ul "despre carte", una lângă alta pe ecrane late (primul cu prioritate la spațiu),
   pe o coloană pe ecrane mici --- */
.volume-cover-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (min-width: 760px) {
    .volume-cover-grid {
        flex-direction: row;
        align-items: flex-start;
    }

    /* flex-grow:0 => cardul se strânge exact pe lățimea conținutului lui (playerul, limitat
       mai jos la max-width) în loc să se întindă pe 2/3 din rând lăsând spații albe pe laturi
       când video-ul e mai îngust decât spațiul alocat (portret sau chiar 16:9 pe un rând lat). */
    .volume-cover-grid > .volume-cover-primary {
        flex: 0 1 auto;
        max-width: 100%;
    }

    .volume-cover-grid > .volume-cover-secondary {
        flex: 1 1 260px;
        min-width: 0;
    }
}

/* Pe mobil (o coloană), butonul de descărcare a aplicației trebuie să apară imediat după
   video, înaintea cardului "despre carte" — pe ecrane late ordinea rămâne cea din DOM
   (despre carte, apoi descarcă aplicația), vezi .volume-cover-secondary din șablon. */
@media (max-width: 759px) {
    .volume-cover-download {
        order: -1;
    }
}

/* Limitează lățimea playerului video/poster din cardul principal — fără asta, un video
   peisaj (16:9) ar umple tot spațiul disponibil din rând, la fel de lat ca înainte. */
.volume-cover-primary .player-wrapper {
    max-width: 480px;
}

.player-poster-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-brand);
}

.player-video {
    display: none;
    width: 100%;
    height: 100%;
    background: var(--color-black);
}

.player-play-button {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: var(--color-white-tint-strong);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-elevated);
}

.player-play-button svg polygon {
    fill: var(--color-indigo);
}

.player-unmute-button {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--color-white-tint-strong);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-elevated);
    color: var(--color-indigo);
    font-size: 0.8rem;
    font-weight: 600;
}

body.dark-surface {
    background: var(--color-dark-bg);
}

/* --- Mini-grafic bare (jurnal de accesări) --- */
.chart-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.chart-block {
    flex: 1 1 320px;
    min-width: 280px;
}

.chart-block h3 {
    margin: 0 0 12px;
    font-size: 1rem;
}

.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 160px;
    padding: 0 4px;
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
}

.bar-chart-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    min-width: 22px;
    flex: 1 0 auto;
}

.bar-chart-bar {
    width: 18px;
    min-height: 2px;
    border-radius: 4px 4px 0 0;
    background: var(--color-indigo);
}

.bar-chart-bar-alt {
    background: var(--color-teal);
}

.bar-chart-label {
    margin-top: 6px;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    max-height: 60px;
}

/* --- Paginare --- */
.pagination {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

/* --- Footer public (pagina de material) --- */
.public-footer {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.public-footer-logo {
    height: 60px;
    width: auto;
}
.public-logo {
    height: 46px;
    width: auto;
}
.public-footer-copy {
    margin: 0 0 16px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.public-footer-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.public-footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    transition: color .15s ease, background .15s ease;
}

.public-footer-social a:hover,
.public-footer-social a:focus-visible {
    color: var(--color-white);
    background: var(--gradient-brand);
}