@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', system-ui, sans-serif;

  /* Dark mode (varsayılan) */
  --bg:        #0f1117;
  --bg2:       #161b27;
  --bg3:       #1e2535;
  --bg4:       #252d3d;
  --border:    #2a3347;
  --border2:   #344060;
  --text:      #e8ecf4;
  --text2:     #9aa5be;
  --text3:     #5f6b82;
  --accent:    #4f8ef7;
  --accent2:   #3a7ae8;
  --accent-bg: rgba(79,142,247,0.12);
  --green:     #34d399;
  --green-bg:  rgba(52,211,153,0.1);
  --red:       #f87171;
  --red-bg:    rgba(248,113,113,0.1);
  --amber:     #fbbf24;
  --amber-bg:  rgba(251,191,36,0.1);
  --purple:    #a78bfa;
  --purple-bg: rgba(167,139,250,0.1);
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --radius:    10px;
  --radius-sm: 6px;
  --sidebar-w: 240px;
}

[data-theme="light"] {
  --bg:        #f4f6fb;
  --bg2:       #ffffff;
  --bg3:       #eef1f8;
  --bg4:       #e6eaf5;
  --border:    #d8dff0;
  --border2:   #c4ceeb;
  --text:      #1a1f2e;
  --text2:     #4a5568;
  --text3:     #8896b0;
  --accent:    #3b7de8;
  --accent2:   #2563eb;
  --accent-bg: rgba(59,125,232,0.08);
  --green:     #059669;
  --green-bg:  rgba(5,150,105,0.08);
  --red:       #dc2626;
  --red-bg:    rgba(220,38,38,0.08);
  --amber:     #d97706;
  --amber-bg:  rgba(217,119,6,0.08);
  --purple:    #7c3aed;
  --purple-bg: rgba(124,58,237,0.08);
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
}

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

html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

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

/* ───── LAYOUT ───── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ───── SIDEBAR ───── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease, background 0.2s;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.sidebar-logo .logo-text span {
  color: var(--accent);
}

.sidebar-logo .logo-sub {
  font-size: 0.72rem;
  color: var(--text3);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.nav-section {
  padding: 12px 16px 6px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--text2);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border-radius: 0;
  text-decoration: none;
  position: relative;
}

.nav-item:hover { background: var(--bg3); color: var(--text); text-decoration: none; }

.nav-item.active {
  background: var(--accent-bg);
  color: var(--accent);
}

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

.nav-item .nav-icon { width: 18px; text-align: center; font-size: 1rem; flex-shrink: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 99px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.user-avatar {
  width: 34px; height: 34px;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.user-name { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.user-role { font-size: 0.72rem; color: var(--text3); }

/* ───── MAIN CONTENT ───── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

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

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

.page-body {
  padding: 24px;
  flex: 1;
}

/* ───── BUTTONS ───── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); color: #fff; text-decoration: none; }

.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg4); text-decoration: none; }

.btn-danger { background: var(--red-bg); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.btn-danger:hover { background: var(--red); color: #fff; text-decoration: none; }

.btn-success { background: var(--green-bg); color: var(--green); border: 1px solid rgba(52,211,153,0.2); }

.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn-icon { padding: 7px; }

/* ───── CARDS ───── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: background 0.2s;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

/* ───── STAT CARDS ───── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  transition: all 0.15s;
}

.stat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.stat-icon.blue   { background: var(--accent-bg); }
.stat-icon.green  { background: var(--green-bg); }
.stat-icon.amber  { background: var(--amber-bg); }
.stat-icon.purple { background: var(--purple-bg); }
.stat-icon.red    { background: var(--red-bg); }

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text3);
  margin-top: 3px;
}

/* ───── TABLES ───── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

thead th {
  background: var(--bg3);
  color: var(--text3);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

tbody tr:hover { background: var(--bg3); }
tbody tr:last-child { border-bottom: none; }

tbody td {
  padding: 11px 14px;
  color: var(--text);
  vertical-align: middle;
}

/* ───── BADGES ───── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-green  { background: var(--green-bg);  color: var(--green); }
.badge-red    { background: var(--red-bg);    color: var(--red); }
.badge-amber  { background: var(--amber-bg);  color: var(--amber); }
.badge-blue   { background: var(--accent-bg); color: var(--accent); }
.badge-purple { background: var(--purple-bg); color: var(--purple); }
.badge-gray   { background: var(--bg3); color: var(--text3); }

/* ───── FORMS ───── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 0.88rem;
  font-family: var(--font);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.form-control::placeholder { color: var(--text3); }

select.form-control option {
  background: var(--bg3);
  color: var(--text);
}

textarea.form-control { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ───── MODALS ───── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(16px);
  transition: transform 0.2s;
  box-shadow: var(--shadow);
}

.modal-overlay.open .modal { transform: translateY(0); }

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

.modal-title { font-size: 1rem; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.15s;
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 22px; }

.modal-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ───── NOTES ───── */
.note-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  position: relative;
}

.note-card.unread {
  border-left: 3px solid var(--accent);
  background: var(--accent-bg);
}

.note-card.urgent {
  border-left: 3px solid var(--red);
}

.note-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.78rem;
  color: var(--text3);
}

.note-content {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.55;
}

/* ───── BREADCRUMB ───── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text3);
  margin-bottom: 20px;
}

.breadcrumb a { color: var(--text3); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border2); }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ───── PASSWORD FIELD ───── */
.pass-field {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0;
  width: 100%;
}

.pass-field .form-control {
  padding-right: 72px;
  flex: 1;
}

/* pass-toggle: form icindeyse absolute, inline flex icindeyse static */
.pass-field > .pass-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--font);
  padding: 3px 6px;
  border-radius: 3px;
  white-space: nowrap;
  z-index: 1;
}

/* inline kullanimda (style=position:static) */
.pass-toggle[style*="static"] {
  position: static !important;
  transform: none !important;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text3);
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--font);
  padding: 3px 8px;
  white-space: nowrap;
}

.pass-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ───── COPY BUTTON ───── */
.copy-btn {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}

.copy-btn:hover { background: var(--bg4); color: var(--accent); }
.copy-btn.copied { color: var(--green); }

/* ───── SEARCH ───── */
.search-box {
  position: relative;
}

.search-box input {
  padding-left: 34px;
}

.search-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 0.85rem;
  pointer-events: none;
}

/* ───── ALERT ───── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.87rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-error   { background: var(--red-bg);   color: var(--red);   border: 1px solid rgba(248,113,113,0.25); }
.alert-success { background: var(--green-bg);  color: var(--green); border: 1px solid rgba(52,211,153,0.25); }
.alert-info    { background: var(--accent-bg); color: var(--accent);border: 1px solid rgba(79,142,247,0.25); }
.alert-warning { background: var(--amber-bg);  color: var(--amber); border: 1px solid rgba(251,191,36,0.25); }

/* ───── THEME TOGGLE ───── */
.theme-toggle {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px;
  display: flex;
  gap: 2px;
  cursor: pointer;
}

.theme-toggle button {
  background: none;
  border: none;
  padding: 4px 8px;
  border-radius: 16px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text3);
  transition: all 0.15s;
}

.theme-toggle button.active {
  background: var(--bg2);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* ───── MOBILE SIDEBAR ───── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
}

/* ───── RESPONSIVE ───── */
@media (max-width: 900px) {
  .form-row-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow);
  }

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

  .hamburger { display: flex; }

  .main-content {
    margin-left: 0;
  }

  .page-body { padding: 16px; }

  .form-row, .form-row-3 { grid-template-columns: 1fr; }

  .stat-grid { grid-template-columns: 1fr 1fr; }

  .modal { max-width: 100%; margin: 0; border-radius: 14px 14px 0 0; position: fixed; bottom: 0; left: 0; right: 0; max-height: 95vh; }
  .modal-overlay { align-items: flex-end; padding: 0; }

  thead { display: none; }
  tbody tr { display: block; padding: 12px 0; }
  tbody td { display: flex; justify-content: space-between; padding: 4px 14px; font-size: 0.83rem; }
  tbody td::before { content: attr(data-label); color: var(--text3); font-size: 0.75rem; font-weight: 600; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .topbar { padding: 0 14px; }
}

/* ───── UTILS ───── */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 0.82rem; }
.text-muted { color: var(--text3); }
.font-mono { font-family: 'Consolas', 'SF Mono', 'Menlo', monospace; font-size: 0.83rem; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ───── SCROLLBAR ───── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ───── TOAST ───── */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--text);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: all;
  animation: slideIn 0.2s ease;
  max-width: 320px;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--accent); }

@keyframes slideIn {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ───── ICON FIXES ───── */
.ic { font-style: normal; font-size: 1rem; line-height: 1; display: inline-block; }
.nav-item .nav-icon { font-family: "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", sans-serif; }

/* SVG ikonlar için */
.icon-btn { display:inline-flex; align-items:center; justify-content:center; gap:5px; }

/* Bozuk emoji fallback */
.btn .ic, .nav-icon { 
  font-family: "Segoe UI Emoji", "Apple Color Emoji", "Twemoji Mozilla", "Noto Color Emoji", sans-serif;
}

/* SVG nav icons */
.nav-icon svg { vertical-align: middle; flex-shrink: 0; }
.nav-item.active .nav-icon svg { stroke: var(--accent); }
.nav-item:hover .nav-icon svg { stroke: var(--text); }
.nav-icon svg { stroke: var(--text3); transition: stroke 0.15s; }

/* hamburger responsive fix */
@media (max-width: 768px) {
  .hamburger { display: flex !important; align-items: center; }
}

/* SVG nav icon alignment */
.nav-icon { display: inline-flex; align-items: center; justify-content: center; width: 18px; }
.nav-icon svg { stroke: var(--text3); transition: stroke 0.15s; flex-shrink: 0; }
.nav-item.active .nav-icon svg,
.nav-item:hover .nav-icon svg { stroke: currentColor; }

/* Theme toggle SVG */
.theme-toggle button svg { stroke: var(--text3); }
.theme-toggle button.active svg { stroke: var(--text); }

/* Logout btn SVG */
.btn-icon svg { stroke: var(--text2); }
.btn-icon:hover svg { stroke: var(--text); }

/* Stat icon SVG renkleri */
.stat-icon.blue   svg { stroke: var(--accent); }
.stat-icon.green  svg { stroke: var(--green); }
.stat-icon.amber  svg { stroke: var(--amber); }
.stat-icon.purple svg { stroke: var(--purple); }
.stat-icon.red    svg { stroke: var(--red); }

/* Dashboard alt grid responsive */
@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr !important; }
}

/* Stat card tıklanabilir */
a.stat-card { cursor: pointer; }
a.stat-card:hover { text-decoration: none; border-color: var(--border2); }