/* =========================================================
 * Thème clair/sombre et base layout
 * ---------------------------------------------------------
 * Le thème est piloté par l'attribut data-theme sur <html>.
 * - data-theme="light" : couleurs claires (par défaut)
 * - data-theme="dark"  : couleurs sombres
 * Le JS se charge de lire/écrire la préférence (localStorage).
 * ======================================================= */

:root {
  /* Couleurs de base (thème clair) */
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-border-soft: #e5e7eb;
  --color-text: #111827;
  --color-muted: #6b7280;

  --color-primary: #0050c2;
  --color-primary-soft: #dbeafe;
  --color-primary-strong: #075985;

  --color-success: #16a34a;
  --color-success-soft: #dcfce7;

  --color-danger: #b91c1c;
  --color-danger-soft: #fee2e2;

  --shadow-soft: 0 12px 25px rgba(15,23,42,0.06);
  --radius-card: 16px;
  --radius-pill: 999px;
}

:root[data-theme="dark"] {
  --color-bg: #020617;
  --color-surface: #020818;
  --color-border: #1f2937;
  --color-border-soft: #111827;
  --color-text: #e5e7eb;
  --color-muted: #9ca3af;

  --color-primary: #38bdf8;
  --color-primary-soft: #0f172a;
  --color-primary-strong: #0ea5e9;

  --color-success: #22c55e;
  --color-success-soft: #022c22;

  --color-danger: #f87171;
  --color-danger-soft: #2b1010;

  --shadow-soft: 0 16px 30px rgba(0,0,0,0.65);
}

/* Dark theme body override */
:root[data-theme="dark"] body.app-body {
  background-image: none;
  background-color: var(--color-bg);
}


/* Reset simple */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.app-body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--color-bg);
  background-image: linear-gradient(135deg, #f9fafb 0%, #e7efff 40%, #f9fafb 100%);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.25s ease-out,
    transform 0.25s ease-out,
    background-color 0.2s ease-out,
    background-image 0.2s ease-out;
}

body.app-body.is-ready {
  opacity: 1;
  transform: none;
}

main.main-container {
  flex: 1;
  padding: 2rem 0 3rem;
}

/* Layout générique */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.4rem;
}

.row {
  display: flex;
  align-items: center;
}

.row.gap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.col {
  flex: 1 1 0;
}

.narrow {
  max-width: 640px;
}

.mt {
  margin-top: 1rem;
}

/* =========================================================
 * Header, navigation et bouton de thème
 * ======================================================= */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-soft);
  box-shadow: 0 8px 20px rgba(15,23,42,0.06);
}

.brand img {
  height: 30px;
  display: block;
}

.topbar .container {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.nav a,
.nav .nav-link,
.nav .linklike {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .8rem;
  border-radius: var(--radius-pill);
  font-size: .92rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-muted);
  border: 1px solid transparent;
  background-color: transparent;
  transition:
    background-color 0.15s ease-out,
    color 0.15s ease-out,
    border-color 0.15s ease-out,
    transform 0.12s ease-out;
}

.nav a:hover,
.nav .nav-link:hover,
.nav .linklike:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  transform: translateY(-1px);
}

.nav a.active,
.nav .nav-link.active {
  background-color: var(--color-primary);
  color: #ffffff;
}


/* Bouton de déconnexion dans la nav */

.logout-form {
  display: inline-flex;
  margin: 0;
}

.linklike {
  background: none;
  border: none;
}

/* Bouton pour changer de thème */

.theme-toggle {
  margin-left: 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background-color: transparent;
  color: var(--color-muted);
  padding: .3rem .7rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
  cursor: pointer;
  transition:
    background-color 0.15s ease-out,
    color 0.15s ease-out,
    border-color 0.15s ease-out,
    transform 0.12s ease-out;
}

.theme-toggle:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.theme-toggle-icon {
  font-size: 1rem;
}

/* =========================================================
 * Cartes, formulaires, boutons
 * ======================================================= */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-soft);
  padding: 1.8rem 1.7rem 1.5rem;
  margin-top: 1.8rem;
  transition:
    transform 0.15s ease-out,
    box-shadow 0.15s ease-out,
    border-color 0.15s ease-out,
    background-color 0.15s ease-out;
}

.card:first-of-type {
  margin-top: 2rem;
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(15,23,42,0.12);
  border-color: var(--color-primary-soft);
}

.login-card {
  max-width: 420px;
  margin: 4.5rem auto 0;
}

.login-subtitle {
  margin-top: .3rem;
  color: var(--color-muted);
  font-size: .9rem;
}

.login-meta {
  margin-top: .6rem;
  font-size: .78rem;
  color: var(--color-muted);
}

form.form {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-top: 1rem;
}

label span {
  display: block;
  margin-bottom: .25rem;
  font-size: .9rem;
  font-weight: 500;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="url"],
input[type="search"] {
  width: 100%;
  padding: .5rem .6rem;
  border-radius: .55rem;
  border: 1px solid var(--color-border);
  font-size: .92rem;
  background-color: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition:
    border-color 0.15s ease-out,
    box-shadow 0.15s ease-out,
    background-color 0.15s ease-out;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
input[type="url"]:focus,
input[type="search"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  color: var(--color-muted);
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
}

/* Boutons */

.btn,
.btn-primary,
.btn-secondary,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: .45rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.12s ease-out,
    color 0.12s ease-out,
    box-shadow 0.12s ease-out,
    transform 0.12s ease-out,
    border-color 0.12s ease-out;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(15,23,42,0.18);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15,23,42,0.22);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 16px rgba(15,23,42,0.2);
}

.btn-secondary,
.link-button {
  background-color: transparent;
  color: var(--color-primary-strong);
  border-color: var(--color-border);
}

.btn-secondary:hover,
.link-button:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.btn.small {
  padding: .3rem .7rem;
  font-size: .8rem;
}

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

/* Liens texte */

.link {
  color: var(--color-primary-strong);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* Messages d’erreur / aide */

.error {
  margin-top: .3rem;
  font-size: .85rem;
  color: var(--color-danger);
}

.form-help {
  margin-top: .4rem;
  font-size: .85rem;
}

/* =========================================================
 * Page transfert de fichiers
 * ======================================================= */

.transfer-page {
  max-width: 780px;
  margin: 2.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: stretch;
}

.transfer-header {
  margin-bottom: 1rem;
}

.transfer-header-main {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.transfer-header-icon svg {
  width: 40px;
  height: 40px;
  fill: var(--color-primary);
}

.transfer-subtitle {
  margin-top: .3rem;
  color: var(--color-muted);
  font-size: .9rem;
}

.transfer-hint {
  margin-top: .6rem;
  font-size: .85rem;
  color: var(--color-muted);
}

/* Dropzone */

.dropzone {
  position: relative;
  margin-top: 1.2rem;
  padding: 1.4rem 1.3rem;
  border-radius: 14px;
  border: 1px dashed var(--color-border);
  background-color: rgba(148,163,184,0.04);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  cursor: pointer;
  transition:
    border-color 0.15s ease-out,
    background-color 0.15s ease-out,
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out;
}

.dropzone-icon svg {
  width: 36px;
  height: 36px;
  fill: var(--color-primary);
}

.dropzone-text {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.dropzone-title {
  font-weight: 600;
}

.dropzone-subtitle {
  font-size: .9rem;
  color: var(--color-muted);
}

.dropzone.drag-over,
.dropzone:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15,23,42,0.12);
}

.dropzone-file-info {
  margin-top: .7rem;
  font-size: .87rem;
  color: var(--color-muted);
}

/* Infos fichier sélectionné */

#file-info {
  margin-top: .6rem;
  font-size: .87rem;
}

/* Progression upload */

.upload-progress {
  margin-top: 1rem;
}

.upload-progress-bar-wrap {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background-color: var(--color-border-soft);
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background-color: var(--color-primary);
  transition: width 0.15s linear;
}

.upload-progress-text {
  margin-top: .3rem;
  font-size: .82rem;
  color: var(--color-muted);
}

/* Résumé de fichier et actions */

.upload-footer {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  justify-content: space-between;
}

.file-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  font-size: .85rem;
  color: var(--color-muted);
}

/* Derniers transferts */

.recent-card {
  margin-top: 3rem;
}

.recent-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: .5rem;
}

.recent-subtitle {
  font-size: .85rem;
  color: var(--color-muted);
}

/* Tableau générique */

.table-wrapper {
  margin-top: 1rem;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.table th,
.table td {
  padding: .6rem .8rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-soft);
}

.table th {
  font-weight: 600;
  color: var(--color-muted);
}

.table tbody tr:hover {
  background-color: rgba(148,163,184,0.08);
}

/* Colonnes spécifiques */

.file-name-cell {
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Admin */

.table-admin th,
.table-admin td {
  vertical-align: middle;
}

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
}

/* Alerts et badges */

.alert {
  padding: .55rem .8rem;
  border-radius: .6rem;
  border: 1px solid transparent;
  font-size: .85rem;
  margin: .5rem 0;
}

.alert.success {
  background-color: var(--color-success-soft);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert.error {
  background-color: var(--color-danger-soft);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .2rem .55rem;
  border-radius: 999px;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.badge.warn {
  background-color: #fef3c7;
  color: #92400e;
}

.badge.ok {
  background-color: #e5e7eb;
  color: #374151;
}

/* Profil & titres avec icone */

.title-with-icon {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

.admin-title-icon,
.profile-title::before,
.forgot-title::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  font-size: .85rem;
  background-color: var(--color-primary);
  color: #ffffff;
}

.profile-title::before {
  content: "👤";
}

.forgot-title::before {
  content: "❓";
}

/* Liens de partage */

.link-card {
  margin-top: 1rem;
}

.link-box {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  margin-top: .6rem;
}

.link-input {
  flex: 1 1 240px;
}

.link-input input {
  font-family: monospace;
}

/* Boutons copy */

.copy-inline-btn,
#copy-link-btn {
  position: relative;
}

.copy-inline-btn.copied,
#copy-link-btn.copied {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(34,197,94,0.35);
}

/* Pied de page */

.footer {
  border-top: 1px solid var(--color-border-soft);
  padding: 1rem 0 1.5rem;
  font-size: .85rem;
  color: var(--color-muted);
  background-color: var(--color-surface);
}

/* Utilitaires */

.hidden {
  display: none !important;
}

.gap {
  gap: 1rem;
}

.small {
  font-size: .8rem;
}

.primary {
  color: var(--color-primary);
}

.success {
  color: var(--color-success);
}

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

/* Réactivité */

@media (max-width: 900px) {
  .topbar .container {
    padding-inline: 1rem;
  }
  .transfer-page {
    grid-template-columns: minmax(0, 1fr);
  }
  .nav {
    gap: .5rem;
  }
}

/* Icônes de navigation (SVG) */
.nav-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-link-icon .nav-icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
}