/* =============================================
   Custom SMS Queue Panel - Main Stylesheet
   ============================================= */

:root {
  --bg-primary:   #0f1117;
  --bg-card:      #1a1d2e;
  --bg-card2:     #1e2030;
  --bg-input:     #252840;
  --border:       #2e3150;
  --accent:       #6c63ff;
  --accent-hover: #5a52e0;
  --accent-glow:  rgba(108,99,255,0.25);
  --text-primary: #e8e8f0;
  --text-muted:   #8890b5;
  --success:      #22d3a0;
  --danger:       #ff5370;
  --warning:      #ffbe3c;
  --sidebar-w:    260px;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

/* ---- Navbar ---- */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #9b8ff5);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #fff;
}
.fw-700 { font-weight: 700; }
.fw-600 { font-weight: 600; }
.fw-500 { font-weight: 500; }

/* ---- Cards ---- */
.card-dark {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.card-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card-stat:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.stat-icon.purple  { background: rgba(108,99,255,0.15); color: var(--accent); }
.stat-icon.success { background: rgba(34,211,160,0.15); color: var(--success); }
.stat-icon.danger  { background: rgba(255,83,112,0.15);  color: var(--danger); }
.stat-icon.warning { background: rgba(255,190,60,0.15);  color: var(--warning); }
.stat-icon.info    { background: rgba(99,179,255,0.15);  color: #63b3ff; }

/* ---- Forms ---- */
.form-label { color: var(--text-muted); font-size: 0.85rem; font-weight: 500; margin-bottom: 0.4rem; }
.text-muted-sm { color: var(--text-muted) !important; font-size: 0.85rem; font-weight: 500; }

.dark-input, .form-control, .form-select {
  background: var(--bg-input) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: 10px !important;
  padding: 0.6rem 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-size: 0.92rem;
}
.dark-input:focus, .form-control:focus, .form-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px var(--accent-glow) !important;
  outline: none;
}
.dark-input::placeholder, .form-control::placeholder { color: var(--text-muted); }
.form-select option { background: var(--bg-card2); }

/* ---- Buttons ---- */
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #9b8ff5);
  color: #fff; border: none; font-weight: 600;
  transition: opacity 0.2s, transform 0.1s;
}
.btn-accent:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); color: #fff; }
.btn-accent:disabled { opacity: 0.5; cursor: not-allowed; }
.text-accent { color: var(--accent) !important; }
.bg-accent { background: var(--accent) !important; }

.btn-ghost {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 0 10px 10px 0 !important;
}
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }

/* ---- Alert info box ---- */
.alert-dark-info {
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 12px;
  padding: 1rem 1.2rem;
}

/* ---- Badge stats ---- */
.badge-stat {
  display: inline-flex; align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 99px; font-size: 0.8rem; font-weight: 500;
}
.badge-stat.success { background: rgba(34,211,160,0.15); color: var(--success); }
.badge-stat.danger  { background: rgba(255,83,112,0.15);  color: var(--danger); }
.badge-stat.warning { background: rgba(255,190,60,0.15);  color: var(--warning); }
.badge-stat.info    { background: rgba(108,99,255,0.15);  color: var(--accent); }

/* ---- Tables ---- */
.table-dark-custom {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text-primary);
  --bs-table-border-color: var(--border);
  font-size: 0.88rem;
}
.table-dark-custom thead th {
  background: var(--bg-input);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1rem;
}
.table-dark-custom tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.table-dark-custom tbody tr:hover { background: rgba(255,255,255,0.025); }
.table-dark-custom td { padding: 0.8rem 1rem; vertical-align: middle; }

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  height: 100vh;
  position: fixed;
  top: 0; left: 0;
  display: flex; flex-direction: column;
  z-index: 1000;
  transition: transform 0.3s;
}
.sidebar-brand {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.75rem;
}
.sidebar-brand span { font-weight: 700; font-size: 1rem; color: var(--text-primary); }
.sidebar-nav { padding: 1rem 0.75rem; flex: 1; overflow-y: auto; }
.nav-section-title {
  color: var(--text-muted); font-size: 0.7rem;
  font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; padding: 0.75rem 0.75rem 0.3rem;
}
.sidebar-nav .nav-link {
  color: var(--text-muted); border-radius: 10px;
  padding: 0.6rem 0.9rem; margin-bottom: 2px;
  display: flex; align-items: center; gap: 0.65rem;
  font-size: 0.88rem; font-weight: 500;
  transition: all 0.2s;
}
.sidebar-nav .nav-link i { font-size: 1.05rem; width: 20px; }
.sidebar-nav .nav-link:hover { background: var(--bg-input); color: var(--text-primary); }
.sidebar-nav .nav-link.active { background: var(--accent-glow); color: var(--accent); }

.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-primary);
}
.top-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.page-content { padding: 1.5rem; }

/* ---- Status badges ---- */
.badge-status {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 0.25rem 0.6rem; border-radius: 99px;
  font-size: 0.75rem; font-weight: 600;
}
.badge-status.pending { background: rgba(255,190,60,0.15); color: var(--warning); }
.badge-status.sent    { background: rgba(34,211,160,0.15);  color: var(--success); }
.badge-status.failed  { background: rgba(255,83,112,0.15);  color: var(--danger); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* ---- Mobile sidebar overlay ---- */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); z-index: 999;
}
.sidebar-overlay.show { display: block; }

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

/* ---- Misc ---- */
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted   { color: var(--text-muted) !important; }

.input-group .form-control { border-radius: 10px 0 0 10px !important; }

.spinner-accent {
  width: 2rem; height: 2rem;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.fade-in {
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.progress { background: var(--bg-input); }

/* Copy button */
.copy-btn { cursor: pointer; }
.copy-btn:hover { color: var(--accent); }