/* ============================================================
   MISERV — Modern Redesign
   Color palette: dark sidebar + clean light content
   ============================================================ */

:root {
  --primary:        #14b8a6;   /* teal-500  */
  --primary-dark:   #0f766e;   /* teal-700  */
  --primary-light:  #2dd4bf;   /* teal-400  */
  --primary-glow:   rgba(20, 184, 166, 0.25);

  --sidebar-bg:     #0f172a;   /* slate-900 */
  --sidebar-hover:  rgba(20, 184, 166, 0.12);
  --sidebar-active: rgba(20, 184, 166, 0.2);
  --sidebar-border: rgba(255,255,255,0.07);
  --sidebar-width:  260px;
  --sidebar-collapsed: 72px;

  --bg-main:        #f1f5f9;   /* slate-100 */
  --card-bg:        #ffffff;
  --text-dark:      #1e293b;   /* slate-800 */
  --text-muted:     #64748b;   /* slate-500 */
  --border-color:   #e2e8f0;   /* slate-200 */

  --radius:         10px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:      0 10px 30px rgba(0,0,0,0.12);

  --transition:     all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── Sidebar ────────────────────────────────────────────── */
aside {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  padding: 24px 16px 20px;
  height: 100vh;
  position: fixed;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  box-shadow: 4px 0 24px rgba(0,0,0,0.18);
  transition: var(--transition);
  overflow: visible;
  z-index: 1000;
}

aside.collapsed {
  width: var(--sidebar-collapsed);
  min-width: var(--sidebar-collapsed);
  padding: 20px 8px;
}

/* Toggle button */
.sidebar-toggle {
  position: absolute;
  top: 22px;
  right: -14px;
  background: var(--primary);
  color: #fff;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--primary-glow);
  transition: var(--transition);
  z-index: 1001;
}

.sidebar-toggle:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.sidebar-toggle i {
  font-size: 0.75em;
  transition: transform 0.28s ease;
}

aside.collapsed .sidebar-toggle i {
  transform: rotate(180deg);
}

/* Logo */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--sidebar-border);
  overflow: hidden;
}

aside img {
  width: 44px;
  min-width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 10px;
  transition: var(--transition);
}

aside.collapsed img {
  width: 40px;
  min-width: 40px;
  height: 40px;
}

span.logo {
  font-size: 1.2em;
  font-weight: 700;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  transition: var(--transition);
  letter-spacing: -0.3px;
}

aside.collapsed span.logo {
  width: 0;
  opacity: 0;
  font-size: 0;
}

/* Menu heading */
aside h3 {
  color: #475569;
  text-transform: uppercase;
  font-size: 0.65em;
  font-weight: 600;
  letter-spacing: 1.2px;
  margin: 6px 4px 8px;
  white-space: nowrap;
  overflow: hidden;
  transition: var(--transition);
}

aside.collapsed h3 {
  opacity: 0;
  height: 0;
  margin: 0;
  font-size: 0;
}

/* Menu list */
aside ul {
  list-style: none;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
  /*overflow-y: auto;*/
  flex: 1;
}

aside.collapsed ul {
  align-items: center;
}

aside ul a {
  text-decoration: none;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  font-size: 0.92em;
  font-weight: 500;
}

aside.collapsed ul a {
  justify-content: center;
  padding: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  margin: 0 auto;
  gap: 0;
}

aside ul a:hover {
  background: var(--sidebar-hover);
  color: var(--primary-light);
}

aside ul a.active,
aside ul a:focus {
  background: var(--sidebar-active);
  color: var(--primary);
}

aside ul a i {
  font-size: 1.05em;
  min-width: 20px;
  text-align: center;
  flex-shrink: 0;
  transition: var(--transition);
}

aside.collapsed ul a i {
  font-size: 1.25em !important;
  min-width: auto;
}

aside ul a li {
  list-style: none;
}

aside ul a li span {
  white-space: nowrap;
  overflow: hidden;
  transition: var(--transition);
}

aside.collapsed ul a li {
  display: none;
}

/* Tooltip (collapsed state) */
aside.collapsed ul a::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(var(--sidebar-collapsed) - 4px);
  top: 50%;
  transform: translateY(-50%);
  background: #1e293b;
  color: #f1f5f9;
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 0.82em;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1002;
  box-shadow: var(--shadow-md);
  border: 1px solid #334155;
}

aside.collapsed ul a::before {
  content: '';
  position: absolute;
  left: calc(var(--sidebar-collapsed) - 10px);
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-right-color: #1e293b;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1003;
}

aside.collapsed ul a:hover::after,
aside.collapsed ul a:hover::before {
  opacity: 1;
}

/* ── Main Content ───────────────────────────────────────── */
main {
  margin-left: var(--sidebar-width);
  padding: 32px 36px;
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
  transition: var(--transition);
}

main.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
  width: calc(100% - var(--sidebar-collapsed));
}

/* ── Auth Section ───────────────────────────────────────── */
.auth-section {
  border-top: 1px solid var(--sidebar-border);
  margin-top: auto;
  padding-top: 16px;
  width: 100%;
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.user-avatar {
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.avatar-img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  transition: var(--transition);
}

aside.collapsed .avatar-img {
  width: 40px;
  height: 40px;
}

aside.collapsed .user-avatar i {
  font-size: 2em !important;
  color: #94a3b8;
  display: block;
}

.username, .user-role, .status {
  display: block;
  transition: var(--transition);
  white-space: nowrap;
  overflow: hidden;
}

aside.collapsed .username,
aside.collapsed .user-role,
aside.collapsed .status {
  opacity: 0;
  height: 0;
  margin: 0;
}

.username {
  font-weight: 600;
  font-size: 0.9em;
  color: #e2e8f0;
}

.user-role {
  font-size: 0.72em;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: var(--sidebar-active);
  padding: 2px 8px;
  border-radius: 20px;
}

.status {
  font-size: 0.75em;
}

.status.approved { color: #4ade80; }
.status.pending  { color: #facc15; }

.logout-btn, .auth-btn {
  transition: var(--transition);
  white-space: nowrap;
  overflow: hidden;
}

aside.collapsed .logout-btn,
aside.collapsed .auth-btn {
  opacity: 0;
  height: 0;
  margin: 0;
  padding: 0;
}

.logout-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.85em;
  font-weight: 500;
  border: 1px solid rgba(239, 68, 68, 0.25);
  margin-top: 4px;
  transition: var(--transition);
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.28);
  color: #fff;
  text-decoration: none;
}

.auth-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.85em;
  font-weight: 600;
  transition: var(--transition);
}

.login-btn {
  background: var(--primary);
  color: #fff;
}

.login-btn:hover {
  background: var(--primary-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.register-btn {
  background: rgba(20, 184, 166, 0.12);
  color: var(--primary-light);
  border: 1px solid rgba(20, 184, 166, 0.25);
}

.register-btn:hover {
  background: rgba(20, 184, 166, 0.22);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

/* ── Messages ───────────────────────────────────────────── */
.messages-container {
  margin-bottom: 24px;
}

.messages-container .alert {
  border-radius: var(--radius);
  border: none;
  font-size: 0.9em;
}

/* ── Content Typography ─────────────────────────────────── */
main h1 { margin-bottom: 20px; color: var(--text-dark); font-weight: 700; }
main p  { margin-bottom: 14px; line-height: 1.65; color: var(--text-muted); }
main ul { margin-left: 20px; margin-bottom: 20px; }
main ul li { margin-bottom: 8px; }

/* ── Features Section (Home / About / Contact) ──────────── */
main .features {
  float: none;
  width: 100%;
  color: var(--text-dark);
  margin-top: 0;
  text-align: left;
}

main .features h1 {
  font-size: 2.4em;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

main .features > p {
  font-size: 1.05em;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 32px;
}

main .features ul {
  list-style: none;
  padding: 0;
}

main .features ul li {
  margin: 8px 0;
  font-size: 1em;
  padding-left: 0;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --sidebar-width: var(--sidebar-collapsed);
  }

  aside {
    padding: 16px 8px;
  }

  .sidebar-logo { display: none; }
  aside h3 { opacity: 0; height: 0; font-size: 0; margin: 0; }

  aside ul a {
    justify-content: center;
    padding: 0;
    width: 48px;
    height: 48px;
    margin: 0 auto;
    gap: 0;
  }

  aside ul a i { font-size: 1.2em !important; }
  aside ul a li { display: none; }

  .username, .user-role, .status, .logout-btn, .auth-btn {
    opacity: 0;
    height: 0;
    margin: 0;
    padding: 0;
  }

  .avatar-img { width: 36px; height: 36px; }

  main {
    padding: 20px 16px;
  }

  .sidebar-toggle { display: none; }

  main .features h1 { font-size: 1.8em; }
}

/* ── Bootstrap Overrides ────────────────────────────────── */

/* Cards */
.card {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
  border-radius: 12px 12px 0 0 !important;
  font-weight: 600;
}
.card-footer {
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 12px 12px !important;
}

/* Primary button */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-primary:active {
  background-color: var(--primary-dark) !important;
  border-color: var(--primary-dark) !important;
}

/* Outline primary */
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Input focus */
.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem var(--primary-glow);
}

/* Table */
.table thead th {
  background: #f8fafc;
  color: var(--text-muted);
  font-size: 0.78em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 2px solid var(--border-color);
}
.table > :not(caption) > * > * {
  padding: 12px 14px;
}

/* Badge */
.badge.bg-primary {
  background-color: var(--primary) !important;
}

/* Alert */
.alert {
  border-radius: 10px;
  border: none;
}

/* ── User Details in Sidebar ────────────────────────────── */
.user-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  overflow: hidden;
}

aside.collapsed .user-details {
  display: none;
}