/*! Calculi-TN (calculi.tn) - (c) 2022-2026 Ali Abdelkader Aydi. All rights reserved.
 *  Proprietary and confidential. Reproduction, redistribution or reuse of this
 *  file, in whole or in part, is prohibited without written permission.
 *  Contact: aliayditn02@gmail.com */

.cn {
  --cn-bg: #212c38;
  --cn-bg-hi: #2b3947;
  --cn-line: #3a4d60;
  --cn-text: #d7e5ef;
  --cn-text-dim: #9fb3c2;
  --cn-accent: #12c5da;
  --cn-cta: #1b678a;
  --cn-cta-hi: #337799;
  --cn-danger: #d9534f;

  position: relative;
  z-index: 1030;
  padding: 0.75rem clamp(10px, 2vw, 18px) 0;
}

.cn-bar {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--cn-bg);
  border: 1px solid var(--cn-line);
  border-radius: 999px;
  box-shadow: 0 2px 4px rgba(0, 12, 20, 0.18), 0 14px 34px -22px rgba(0, 12, 20, 0.8);
}

.cn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff !important;
  text-decoration: none !important;
  flex: 0 0 auto;
  white-space: nowrap;
}

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

.cn-panel {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-width: 0;
}

.cn-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.cn-nav > li {
  min-width: 0;
}

.cn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  font-size: 0.95rem;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--cn-text) !important;
  text-decoration: none !important;
  transition: background-color 0.14s ease, color 0.14s ease;
}

.cn-link:hover,
.cn-link:focus-visible {
  background: var(--cn-bg-hi);
  color: #fff !important;
}

.cn-link i {
  font-size: 0.95em;
  opacity: 0.85;
}

.cn-link.active {
  color: var(--cn-accent) !important;
  font-weight: 700;
  background: rgba(18, 197, 218, 0.12);
}

.cn-link.active i {
  opacity: 1;
}

.cn-account {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-inline-start: 0.4rem;
  padding-inline-start: 0.55rem;
  border-inline-start: 1px solid var(--cn-line);
  flex: 0 0 auto;
}

.cn-user {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  max-width: 14ch;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  color: var(--cn-text) !important;
  text-decoration: none !important;
  font-size: 0.92rem;
  white-space: nowrap;
}

.cn-user:hover {
  background: var(--cn-bg-hi);
  color: #fff !important;
}

.cn-user-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cn-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex: 0 0 auto;
  object-fit: cover;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #06222a;
  background: linear-gradient(135deg, #12c5da, #2ea86a);
}

.cn-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  color: #fff !important;
  text-decoration: none !important;
  cursor: pointer;
  transition: background-color 0.14s ease;
}

.cn-btn-cta {
  background: var(--cn-cta);
  border-color: var(--cn-cta);
}
.cn-btn-cta:hover { background: var(--cn-cta-hi); border-color: var(--cn-cta-hi); }

.cn-btn-quiet {
  background: transparent;
  border-color: var(--cn-line);
  color: var(--cn-text) !important;
}
.cn-btn-quiet:hover { background: var(--cn-bg-hi); color: #fff !important; }

.cn-btn-danger {
  background: transparent;
  border-color: rgba(217, 83, 79, 0.55);
  color: #ff9c9c !important;
}
.cn-btn-danger:hover { background: var(--cn-danger); color: #fff !important; }

.cn-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-inline-start: auto;
  border-radius: 12px;
  border: 1px solid var(--cn-line);
  background: transparent;
  color: var(--cn-text);
  cursor: pointer;
  padding: 0;
  place-items: center;
  flex: 0 0 auto;
}

.cn-toggle:hover { background: var(--cn-bg-hi); color: #fff; }

.cn-toggle-bars {
  position: relative;
  width: 20px;
  height: 14px;
  display: block;
}
.cn-toggle-bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.12s ease, top 0.18s ease;
}
.cn-toggle-bars span:nth-child(1) { top: 0; }
.cn-toggle-bars span:nth-child(2) { top: 6px; }
.cn-toggle-bars span:nth-child(3) { top: 12px; }

.cn-toggle[aria-expanded="true"] .cn-toggle-bars span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}
.cn-toggle[aria-expanded="true"] .cn-toggle-bars span:nth-child(2) { opacity: 0; }
.cn-toggle[aria-expanded="true"] .cn-toggle-bars span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  .cn-toggle-bars span { transition: none; }
}

@media (max-width: 1199px) and (min-width: 1024px) {
  .cn-link {
    padding: 0.4rem 0.5rem;
    font-size: 0.875rem;
  }
  .cn-btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.84rem;
  }
  .cn-brand { font-size: 1.05rem; }
  
  .cn-user-name { display: none; }
  .cn-user { max-width: none; padding: 0.3rem; }
}

@media (max-width: 1023px) {
  .cn-toggle { display: grid; }

  .cn-panel {
    position: absolute;
    top: 100%;
    left: clamp(10px, 2vw, 18px);
    right: clamp(10px, 2vw, 18px);
    margin-top: 0.5rem;
    
    max-height: calc(100vh - 6rem);
    max-height: calc(100dvh - 6rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.6rem;
    border-radius: 18px;
    background: var(--cn-bg);
    border: 1px solid var(--cn-line);
    box-shadow: 0 24px 60px -18px rgba(0, 8, 16, 0.85);
    display: none;
  }

  .cn-panel.is-open { display: block; }

  .cn-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.1rem;
    margin: 0;
  }

  .cn-link {
    padding: 0.7rem 0.9rem;
    border-radius: 12px;
    font-size: 1rem;
  }

  .cn-account {
    margin: 0.5rem 0 0;
    padding: 0.7rem 0 0;
    border-inline-start: 0;
    border-top: 1px solid var(--cn-line);
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .cn-user {
    flex: 1 1 100%;
    max-width: none;
    padding: 0.6rem 0.9rem;
    border-radius: 12px;
    background: var(--cn-bg-hi);
    font-size: 1rem;
  }
  .cn-user-name { display: inline; }

  .cn-btn {
    flex: 1 1 0;
    justify-content: center;
    padding: 0.6rem 0.9rem;
    border-radius: 12px;
    font-size: 0.95rem;
  }
}

@media (max-width: 419px) {
  .cn-btn { flex: 1 1 100%; }
  .cn-bar { padding: 0.5rem 0.7rem; }
  .cn-brand { font-size: 1rem; }
}

@media print {
  .cn { display: none !important; }
}