/* ========================================
   MikroTik Manager — App Stylesheet
   Tasarım: Industrial/Utilitarian + modern
   Palette: Koyu sidebar, açık içerik, accent cyan
   ======================================== */

/* ─── GOOGLE FONT ─── */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS VARIABLES ─── */
:root {
  /* Ana renkler */
  --primary:        #0ea5e9;   /* Sky-500 */
  --primary-dark:   #0284c7;
  --primary-light:  #e0f2fe;
  --accent:         #06b6d4;   /* Cyan */
  --danger:         #ef4444;
  --warning:        #f59e0b;
  --success:        #10b981;
  --info:           #6366f1;

  /* Sidebar */
  --sidebar-bg:       #0f172a;  /* Slate-900 */
  --sidebar-border:   #1e293b;
  --sidebar-text:     #94a3b8;
  --sidebar-hover-bg: #1e293b;
  --sidebar-active-bg:#0ea5e9;
  --sidebar-active:   #ffffff;
  --sidebar-width:    260px;
  --sidebar-icon:     #64748b;

  /* Üst bar */
  --topbar-bg:     #ffffff;
  --topbar-border: #e2e8f0;
  --topbar-height: 60px;

  /* İçerik */
  --body-bg:      #f1f5f9;
  --card-bg:      #ffffff;
  --card-border:  #e2e8f0;
  --card-radius:  12px;
  --card-shadow:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);

  /* Metin */
  --text-primary:   #0f172a;
  --text-secondary: #64748b;
  --text-muted:     #94a3b8;

  /* Tipografi */
  --font-sans:  'Plus Jakarta Sans', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
}

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

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--body-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
}

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

img { max-width: 100%; }

/* ─── LAYOUT ─── */
#wrapper {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* ─── SIDEBAR ─── */
#sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: transform .25s ease;
}

.sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--sidebar-border);
  gap: 10px;
}

.sidebar-brand .brand-icon {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-brand .brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.3px;
}

.sidebar-brand .brand-name small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--sidebar-text);
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--sidebar-border) transparent;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--sidebar-icon);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 20px 6px;
}

.nav-item {
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 0;
  transition: all .15s ease;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  background: var(--sidebar-hover-bg);
  color: #fff;
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
}

.nav-link.active .nav-icon {
  color: #fff;
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  font-size: 16px;
  color: var(--sidebar-icon);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  transition: color .15s;
}

.nav-link:hover .nav-icon { color: var(--primary-light); }

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  line-height: 1.4;
}

/* Collapsible nav group */
.nav-group-toggle {
  cursor: pointer;
  user-select: none;
}

.nav-group-toggle .toggle-arrow {
  margin-left: auto;
  font-size: 11px;
  color: var(--sidebar-icon);
  transition: transform .2s;
}

.nav-item.open > .nav-group-toggle .toggle-arrow {
  transform: rotate(180deg);
}

.nav-sub {
  list-style: none;
  background: rgba(0,0,0,.15);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-item.open > .nav-sub {
  max-height: 500px;
}

.nav-sub .nav-link {
  padding-left: 50px;
  font-size: 13px;
  font-weight: 400;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user .avatar {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-user .user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user .user-name {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user .user-role {
  font-size: 11px;
  color: var(--sidebar-text);
}

/* ─── CONTENT WRAPPER ─── */
#content-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── TOPBAR ─── */
#topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 500;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all .15s;
  position: relative;
}

.topbar-icon-btn:hover {
  background: var(--body-bg);
  color: var(--text-primary);
}

.topbar-icon-btn .badge-dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid #fff;
}

/* ─── MAIN CONTENT ─── */
#main-content {
  flex: 1;
  padding: 24px;
}

/* ─── PAGE HEADER ─── */
.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 13.5px;
}

.page-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ─── CARDS ─── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.card-body { padding: 20px; }

.card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--card-border);
  background: #fafbfc;
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

/* ─── STAT CARDS ─── */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--card-shadow);
  transition: box-shadow .2s, transform .2s;
}

.stat-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  transform: translateY(-1px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.primary { background: #eff6ff; color: var(--primary); }
.stat-icon.success { background: #f0fdf4; color: var(--success); }
.stat-icon.warning { background: #fffbeb; color: var(--warning); }
.stat-icon.danger  { background: #fef2f2; color: var(--danger); }
.stat-icon.info    { background: #eef2ff; color: var(--info); }
.stat-icon.cyan    { background: #ecfeff; color: var(--accent); }

.stat-info { flex: 1; }

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.stat-change {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 3px;
  margin-top: 4px;
}

.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ─── TABLES ─── */
.table-responsive { border-radius: var(--card-radius); overflow: hidden; }

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  background: #f8fafc;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}

.table td {
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 13.5px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }

.table tbody tr:hover { background: #fafbff; }

.table-font-mono td { font-family: var(--font-mono); font-size: 13px; }

/* ─── BADGES ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
  gap: 4px;
}

.badge-primary { background: #eff6ff; color: var(--primary); }
.badge-success { background: #f0fdf4; color: #059669; }
.badge-warning { background: #fffbeb; color: #d97706; }
.badge-danger  { background: #fef2f2; color: #dc2626; }
.badge-info    { background: #eef2ff; color: var(--info); }
.badge-secondary { background: #f8fafc; color: var(--text-muted); border: 1px solid var(--card-border); }

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.btn-secondary {
  background: #fff;
  color: var(--text-primary);
  border-color: var(--card-border);
}
.btn-secondary:hover { background: var(--body-bg); }

.btn-danger  { background: var(--danger);  color: #fff; border-color: var(--danger); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover { background: var(--primary); color: #fff; }

/* ─── FORMS ─── */
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-control, .form-select {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 13.5px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  appearance: none;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,.12);
}

.form-control.is-invalid { border-color: var(--danger); }
.form-text { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.invalid-feedback { font-size: 12px; color: var(--danger); margin-top: 4px; }

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .input-group-text {
  padding: 9px 13px;
  background: #f8fafc;
  border: 1px solid #d1d5db;
  border-right: none;
  border-radius: 8px 0 0 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.input-group .form-control {
  border-radius: 0 8px 8px 0;
}

/* ─── ALERTS ─── */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid transparent;
}

.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-danger  { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-info    { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

.alert-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ─── DROPDOWN ─── */
.dropdown { position: relative; display: inline-block; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,.12);
  min-width: 180px;
  z-index: 1000;
  padding: 6px;
  display: none;
}

.dropdown-menu.show { display: block; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 13.5px;
  color: var(--text-primary);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: background .12s;
}

.dropdown-item:hover { background: var(--body-bg); }
.dropdown-item.text-danger { color: var(--danger); }
.dropdown-divider { height: 1px; background: var(--card-border); margin: 4px 0; }

/* ─── STATUS INDICATOR ─── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.online  { background: var(--success); box-shadow: 0 0 0 3px rgba(16,185,129,.2); }
.status-dot.offline { background: var(--text-muted); }
.status-dot.warning { background: var(--warning); }
.status-dot.error   { background: var(--danger); }

/* ─── MODAL ─── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1040;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.modal-backdrop.show { opacity: 1; pointer-events: all; }

.modal-box {
  background: #fff;
  border-radius: 14px;
  width: min(520px, 95vw);
  box-shadow: 0 25px 60px rgba(0,0,0,.2);
  transform: translateY(12px);
  transition: transform .2s;
}

.modal-backdrop.show .modal-box { transform: translateY(0); }

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: 15px; font-weight: 700; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 20px; line-height: 1; }
.modal-body  { padding: 22px; }
.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ─── LOADER ─── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--card-border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── PROGRESS ─── */
.progress {
  height: 6px;
  background: #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 10px;
  background: var(--primary);
  transition: width .4s ease;
}

/* ─── UTILITIES ─── */
.d-flex       { display: flex; }
.d-block      { display: block; }
.d-none       { display: none; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }
.w-100 { width: 100%; }
.text-end   { text-align: right; }
.text-start { text-align: left; }
.text-center{ text-align: center; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fs-12  { font-size: 12px; }
.fs-13  { font-size: 13px; }
.fs-14  { font-size: 14px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.p-3  { padding: 16px; }
.p-4  { padding: 24px; }
.rounded { border-radius: 8px; }
.font-mono { font-family: var(--font-mono); }

/* Grid */
.row { display: grid; gap: 20px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ─── LOGIN PAGE ─── */
.login-wrapper {
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(14,165,233,.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(6,182,212,.1) 0%, transparent 50%);
}

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  width: min(420px, 100%);
  position: relative;
  box-shadow: 0 25px 60px rgba(0,0,0,.3);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.login-logo .icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}

.login-logo h1 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.login-logo p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* ─── FOOTER ─── */
#app-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--topbar-border);
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  #sidebar {
    transform: translateX(calc(var(--sidebar-width) * -1));
  }

  #sidebar.open {
    transform: translateX(0);
    box-shadow: 5px 0 20px rgba(0,0,0,.3);
  }

  #content-wrapper {
    margin-left: 0;
  }

  .cols-2, .cols-3, .cols-4 {
    grid-template-columns: 1fr;
  }

  #main-content { padding: 16px; }
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ─── TRANSITION ─── */
.fade-in {
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}