/* ===================================================
   theme.css — LogBook Pilots Design System
   Ultra Modern Minimal | RTL Hebrew
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;600;700;800&family=Inter:wght@400;600;700&display=swap');

/* ──── Design Tokens ──── */
:root {
  /* Colors */
  --bg:           #f8fafc;
  --bg-subtle:    #f1f5f9;
  --bg-card:      #ffffff;
  --text:         #0f172a;
  --text-muted:   #64748b;
  --text-faint:   #94a3b8;
  --primary:      #2563eb;
  --primary-dk:   #1d4ed8;
  --primary-lt:   #dbeafe;
  --border:       #e2e8f0;
  --border-focus: #2563eb;
  --success:      #10b981;
  --warning:      #f59e0b;
  --danger:       #ef4444;
  --danger-lt:    #fee2e2;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.09), 0 12px 28px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.12), 0 24px 48px rgba(0,0,0,0.10);

  /* Radii */
  --radius:    16px;
  --radius-sm: 10px;
  --radius-xs: 6px;

  /* Spacing */
  --topbar-h:  64px;

  /* Transition */
  --transition: 0.2s ease;
}

/* ──── Dark Mode Overrides ──── */
body.dark-mode {
  --bg:           #0f172a;
  --bg-subtle:    #1e293b;
  --bg-card:      #1e293b;
  --text:         #f1f5f9;
  --text-muted:   #94a3b8;
  --text-faint:   #64748b;
  --primary:      #60a5fa;
  --primary-dk:   #3b82f6;
  --primary-lt:   #1e3a5f;
  --border:       #334155;
  --border-focus: #60a5fa;
  --danger-lt:    #3b1313;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.5), 0 12px 28px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.6), 0 24px 48px rgba(0,0,0,0.5);
}

/* ──── Reset & Base ──── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Heebo', system-ui, sans-serif;
  direction: rtl;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ──── Topbar ──── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 28px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* ──── Navbar ──── */
.navbar {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: 'Heebo', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.navbar button:hover,
.navbar button.active {
  background-color: var(--primary-lt);
  color: var(--primary);
}

/* ──── Hamburger ──── */
.hamburger {
  display: none;
  background: none;
  border: 1.5px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  font-size: 1.25rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}
.hamburger.open,
.hamburger:hover {
  background: var(--primary-lt);
  border-color: var(--primary);
  color: var(--primary);
}

/* ──── Dark Mode Toggle Button ──── */
.dark-toggle,
#darkModeToggle,
.dark-mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Heebo', sans-serif;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}
.dark-toggle:hover,
#darkModeToggle:hover,
.dark-mode-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-lt);
}

/* ──── Card ──── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  padding: 24px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* ──── Buttons ──── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  font-family: 'Heebo', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  background: var(--primary-dk);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  font-family: 'Heebo', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-subtle);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: var(--border);
  transform: translateY(-1px);
}

/* ──── Inputs ──── */
input, select, textarea {
  font-family: 'Heebo', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background-color 0.3s ease;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
body.dark-mode input:focus,
body.dark-mode select:focus,
body.dark-mode textarea:focus {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}
input::placeholder, textarea::placeholder {
  color: var(--text-faint);
  font-size: 0.9rem;
}

/* ──── Footer ──── */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
  font-size: 0.875rem;
  margin-top: auto;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* ──── Scrollbar ──── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-subtle); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ──── Utilities ──── */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }

/* ──── Responsive Topbar ──── */
@media (max-width: 768px) {
  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    justify-content: space-between;
  }
  .hamburger { display: flex; }
  .navbar {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease;
  }
  .navbar.active {
    max-height: 400px;
    opacity: 1;
  }
  .navbar button {
    padding: 12px 16px;
    border-radius: var(--radius-xs);
    text-align: right;
  }
}