/* =========================================================
   Design tokens — cohérents sur toutes les pages du projet
   ========================================================= */
:root {
  --color-bg: #12141F;
  --color-surface: #1E2233;
  --color-surface-alt: #262B40;
  --color-border: #333A52;
  --color-text: #EDEDF5;
  --color-text-muted: #9296AC;
  --color-accent: #7C5CFC;
  --color-accent-hover: #6B4CF0;
  --color-accent-soft: rgba(124, 92, 252, 0.18);
  --color-danger: #FF6B6B;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* =========================================================
   Page de connexion / inscription
   ========================================================= */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 24px;
}

/* Signature visuelle : ripple évoquant un appel entrant */
.ripple-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.ripple-bg span {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  opacity: 0;
  animation: pulse-ring 3.5s ease-out infinite;
}
.ripple-bg span:nth-child(2) { animation-delay: 1.1s; }
.ripple-bg span:nth-child(3) { animation-delay: 2.2s; }

@keyframes pulse-ring {
  0%   { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(2.2); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ripple-bg span { animation: none; opacity: 0.08; }
}

.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.auth-logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-logo-mark svg { width: 20px; height: 20px; stroke: var(--color-accent); }

.auth-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
  line-height: 1.4;
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 12px 14px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}
.field input:focus { outline: none; border-color: var(--color-accent); }
.field input:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn-primary {
  width: 100%;
  padding: 13px;
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.15s ease;
}
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

.auth-footer {
  margin-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.auth-footer a { color: var(--color-accent); text-decoration: none; font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

.form-error {
  display: none;
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: var(--color-danger);
  font-size: 0.85rem;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  margin-bottom: 18px;
}
.form-error.visible { display: block; }

@media (max-width: 420px) {
  .auth-card { padding: 32px 22px; }
}

/* =========================================================
   Coquille d'application (contacts, historique, composition...)
   ========================================================= */
:root {
  --color-online: #34D399;
}

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

.app-shell {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.app-header-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.app-header-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.icon-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.search-bar { margin-bottom: 18px; }
.search-bar input {
  width: 100%;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.search-bar input:focus { outline: none; border-color: var(--color-accent); }
.search-bar input::placeholder { color: var(--color-text-muted); }

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 40px 0;
}

.contact-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background 0.15s ease;
}
.contact-item:hover { background: var(--color-surface); }

.contact-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}
.contact-name {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.contact-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-muted);
}
.status-dot.online { background: var(--color-online); }