/* ETB Signature - Genel Layout Sistemi */

:root {
  --sidebar-width: 260px;
  --header-height: 64px;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #ff9800;
  --primary-hover: #e68a00;
  --sidebar-bg: #1f2937;
  --sidebar-text: #e5e7eb;
  --sidebar-hover: #374151;
}

[data-theme="dark"] {
  --bg: #0b0f15;
  --panel: #121826;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
  --primary: #ffb020;
  --primary-hover: #f59e0b;
  --sidebar-bg: #030712;
  --sidebar-text: #e5e7eb;
  --sidebar-hover: #1f2937;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Century Gothic", CenturyGothic, AppleGothic, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout Container */
.layout-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 20px;
  font-size: 20px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.sidebar-nav {
  flex: 1;
  padding: 20px 0;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-section-title {
  padding: 8px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 4px;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu-item {
  margin: 2px 12px;
}

.sidebar-menu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.2s ease;
  font-size: 14px;
}

.sidebar-menu-link:hover {
  background: var(--sidebar-hover);
}

.sidebar-menu-link.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.sidebar-menu-icon {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  color: var(--muted);
}

/* Main Content Area */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  width: calc(100% - var(--sidebar-width));
}

/* Header */
.app-header {
  height: var(--header-height);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

.header-title {
  font-weight: 700;
  font-size: 18px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-wrapper {
    margin-left: 0;
    width: 100%;
  }

  .menu-toggle {
    display: block;
  }

  /* Overlay for mobile menu */
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    display: none;
  }

  .sidebar-overlay.show {
    display: block;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 16px;
  }

  .main-content {
    padding: 16px;
  }

  .header-title {
    font-size: 16px;
  }
}

/* Theme Toggle Switch */
.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
}

.switch input[type="checkbox"] {
  cursor: pointer;
}

/* Buttons */
button, .btn {
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-ghost {
  background: transparent;
}

.btn-ghost:hover {
  background: var(--border);
}

.btn-danger {
  border-color: #ef4444;
  color: #ef4444;
}

.btn-danger:hover {
  background: #ef4444;
  color: #fff;
}

/* Panel Styles */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 20px;
}

@media (max-width: 1100px) {
  .container {
    grid-template-columns: 1fr;
  }
}