/* =========================================================
   PortfolioDesk — Design System & Core Layout
   main.css: tokens, reset, layout, tipografi
   ========================================================= */

/* ---- Google Font: Inter ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* =========================================================
   CSS Custom Properties (Design Tokens)
   ========================================================= */
:root {
  /* Palette */
  --clr-bg:          #0d1117;
  --clr-surface:     #161b22;
  --clr-surface-02:  #1e2530;
  --clr-surface-03:  #252d3a;
  --clr-border:      #30363d;
  --clr-border-light:#3d4450;

  /* Brand */
  --clr-accent:      #2f81f7;
  --clr-accent-hover:#388bfd;
  --clr-on-accent:   #ffffff;
  --clr-accent-dim:  #1a4b8a;
  --clr-accent-glow: rgba(47,129,247,.18);

  /* Semantic */
  --clr-success:     #3fb950;
  --clr-success-bg:  rgba(63,185,80,.12);
  --clr-danger:      #f85149;
  --clr-danger-bg:   rgba(248,81,73,.12);
  --clr-warning:     #d29922;
  --clr-warning-bg:  rgba(210,153,34,.12);
  --clr-info:        #48b4ff;

  /* Text */
  --clr-text-primary:   #e6edf3;
  --clr-text-secondary: #8b949e;
  --clr-text-muted:     #484f58;

  /* Sizes */
  --sidebar-width:   240px;
  --sidebar-width-collapsed: 64px;
  --topbar-height:   60px;
  --bottom-nav-h:    0;
  /* Topbar logo, menü altı tema/çıkış, nav ikon sütunu — aynı kutu boyutu */
  --pd-icon-box:     36px;
  --radius-sm:       5px;
  --radius-md:       5px;
  --radius-lg:       5px;
  --radius-xl:       5px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,.5);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.6);
  --shadow-accent: 0 0 20px var(--clr-accent-glow);

  /* Transition */
  --transition: .2s cubic-bezier(.4,0,.2,1);
  --transition-slow: .35s cubic-bezier(.4,0,.2,1);

  /* Font */
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Print (sayfa dışı yazdırma için arka plan / metin) */
  --clr-print-bg: #ffffff;
  --clr-print-text: #000000;
}

/* =========================================================
   Aydınlık Tema (Light Mode)
   ========================================================= */
[data-theme="light"] {
  /* Palette */
  --clr-bg:          #f6f8fa;
  --clr-surface:     #ffffff;
  --clr-surface-02:  #f0f2f5;
  --clr-surface-03:  #e4e8ec;
  --clr-border:      #d0d7de;
  --clr-border-light:#b1bac4;

  /* Brand — aydınlıkta biraz daha koyu mavi (kontrast) */
  --clr-accent:      #0969da;
  --clr-accent-hover:#0550ae;
  --clr-on-accent:   #ffffff;
  --clr-accent-dim:  #0550ae;
  --clr-accent-glow: rgba(9,105,218,.15);

  /* Semantic */
  --clr-success:     #1a7f37;
  --clr-success-bg:  rgba(26,127,55,.12);
  --clr-danger:      #cf222e;
  --clr-danger-bg:   rgba(207,34,46,.12);
  --clr-warning:     #9a6700;
  --clr-warning-bg:  rgba(154,103,0,.12);
  --clr-info:        #0969da;

  /* Text */
  --clr-text-primary:   #1f2328;
  --clr-text-secondary: #656d76;
  --clr-text-muted:     #8c959f;

  /* Shadows — aydınlıkta daha hafif */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
  --shadow-accent: 0 0 20px var(--clr-accent-glow);
  --clr-print-bg: #ffffff;
  --clr-print-text: #1f2328;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text-primary);
  min-height: 100vh;
  display: flex;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }

/* =========================================================
   SIDEBAR
   ========================================================= */
/* Mobil drawer açıkken arkadaki alanı karartan overlay (görünürlük JS ile) */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--clr-surface);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 200;
  transition: width var(--transition-slow), transform var(--transition-slow);
}

/* Daraltılmış sidebar — sadece ikonlar */
.sidebar.collapsed {
  width: var(--sidebar-width-collapsed);
}
.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-label {
  opacity: 0;
  visibility: hidden;
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  position: absolute;
  pointer-events: none;
}
.sidebar.collapsed .sidebar-logo {
  justify-content: center;
  min-width: 0;
}
.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: .7rem;
  margin: .15rem .5rem;
}
.sidebar.collapsed .nav-item.active::before {
  left: 0;
  width: 3px;
  height: 50%;
  border-radius: 0 5px 5px 0;
}
.sidebar.collapsed .sidebar-collapse-btn {
  padding: .5rem;
}
.sidebar.collapsed .sidebar-collapse-btn .collapse-icon-expand {
  display: inline;
}
.sidebar.collapsed .sidebar-collapse-btn .collapse-icon-collapse {
  display: none;
}
.sidebar:not(.collapsed) .sidebar-collapse-btn .collapse-icon-expand {
  display: none;
}
.sidebar:not(.collapsed) .sidebar-collapse-btn .collapse-icon-collapse {
  display: inline;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 0 0.75rem;
  border-bottom: 1px solid var(--clr-border);
  min-height: var(--topbar-height);
}

.sidebar-header-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  white-space: nowrap;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
.sidebar.collapsed .sidebar-header-label {
  opacity: 0;
  visibility: hidden;
  width: 0;
  overflow: hidden;
}

.sidebar-header-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
}
.sidebar-header-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-text-secondary);
  border-radius: 5px;
  transition: var(--transition);
}
.sidebar-header-toggle:hover span {
  background: var(--clr-text-primary);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.logo-icon { font-size: 1.4rem; }

.logo-text {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: -.3px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-info));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
}
.sidebar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-text-secondary);
  border-radius: 5px;
  transition: var(--transition);
}

/* Nav */
.sidebar-nav {
  flex: 1;
  padding: .75rem 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem 1.25rem;
  border-radius: var(--radius-md);
  margin: .15rem .75rem;
  color: var(--clr-text-secondary);
  font-size: .875rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-item:hover {
  background: var(--clr-surface-02);
  color: var(--clr-text-primary);
}

.nav-item.active {
  background: var(--clr-accent-glow);
  color: var(--clr-accent);
  border: 1px solid var(--clr-accent-dim);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%;
  background: var(--clr-accent);
  border-radius: 0 5px 5px 0;
}

.nav-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--pd-icon-box);
  height: var(--pd-icon-box);
  font-size: 1.05rem;
}
.nav-icon .bi {
  font-size: 1.125rem;
  line-height: 1;
}
.nav-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Mobil drawer: hesap / tema / çıkış (masaüstünde gizli) */
.sidebar-footer--mobile {
  display: none;
  flex-direction: column;
  flex-shrink: 0;
  margin-top: auto;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.sidebar-footer-account {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.55rem max(1rem, env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px)) 0.6rem;
  border-top: 1px solid var(--clr-border);
}
.sidebar-footer-user-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.1rem;
  min-width: 0;
  flex: 1 1 0;
  line-height: 1.15;
  overflow: hidden;
}
.sidebar-footer-user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-footer-user-role {
  font-size: 0.6rem;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-footer-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 0.3rem;
  flex: 0 0 auto;
  margin-left: auto;
  min-width: 0;
}
.sidebar-footer--mobile .theme-toggle,
.sidebar-footer--mobile .sidebar-footer-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--pd-icon-box);
  height: var(--pd-icon-box);
  min-width: var(--pd-icon-box);
  min-height: var(--pd-icon-box);
  padding: 0;
  border-radius: var(--radius-md);
  box-sizing: border-box;
  flex-shrink: 0;
}
/* Tema ve çıkış: aynı görsel ağırlık (Bootstrap Icons) */
.sidebar-footer--mobile .theme-toggle .theme-toggle-icon,
.sidebar-footer--mobile .sidebar-footer-logout-icon {
  font-size: 1.25rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  margin: 0 !important;
}
.sidebar-footer--mobile .sidebar-footer-logout {
  color: var(--clr-text-secondary);
}
.sidebar-footer--mobile .sidebar-footer-logout:hover {
  color: var(--clr-text-primary);
  background: var(--clr-surface-02);
}

.sidebar-collapse-btn {
  color: var(--clr-text-secondary);
  font-size: 1rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.sidebar-collapse-btn:hover {
  background: var(--clr-surface-02);
  color: var(--clr-text-primary);
}

/* =========================================================
   LAYOUT WRAPPER & TOPBAR
   ========================================================= */
.layout-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}
.sidebar.collapsed + .layout-wrapper {
  margin-left: var(--sidebar-width-collapsed);
}

.topbar {
  height: var(--topbar-height);
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.topbar-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.topbar-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--clr-text-secondary);
  border-radius: 5px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}

.topbar-logo {
  width: var(--pd-icon-box);
  height: var(--pd-icon-box);
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  box-sizing: border-box;
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  min-width: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--clr-text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--clr-surface-02);
  color: var(--clr-text-primary);
}
.theme-toggle-icon {
  font-size: 1.2rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle-icon.bi { font-size: 1.2rem; }

.portfolio-badge {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--clr-surface-02);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: .35rem .9rem;
}

.badge-label {
  font-size: .7rem;
  color: var(--clr-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.badge-value {
  font-size: .875rem;
  font-weight: 700;
  color: var(--clr-accent);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--clr-border);
}
.topbar-user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
}
.topbar-user-name {
  font-size: .875rem;
  font-weight: 600;
  color: var(--clr-text-primary);
}
.topbar-user-role {
  font-size: .7rem;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.topbar-logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--clr-text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}
.topbar-logout-btn:hover {
  background: var(--clr-surface-02);
  color: var(--clr-danger);
}
.logout-icon {
  flex-shrink: 0;
}

/* =========================================================
   MAIN CONTENT
   ========================================================= */
.main-content {
  flex: 1;
  min-width: 0;
  padding: 1.75rem 2rem;
  overflow-y: auto;
  overflow-x: hidden;
}

/* =========================================================
   PAGE LOADING
   ========================================================= */
.page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  gap: 1rem;
  color: var(--clr-text-secondary);
}

.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

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

/* =========================================================
   TYPOGRAPHY HELPERS
   ========================================================= */
.page-header {
  margin-bottom: 1.75rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.4px;
  color: var(--clr-text-primary);
}

.page-subtitle {
  font-size: .875rem;
  color: var(--clr-text-secondary);
  margin-top: .3rem;
}

/* =========================================================
   STAT CARDS GRID
   ========================================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   SCROLLBAR
   ========================================================= */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-border-light); }

/* =========================================================
   LOGIN VIEW — Giriş sayfasında sidebar ve topbar gizlenir
   ========================================================= */
body.login-view .sidebar,
body.login-view .topbar { display: none; }
body.login-view .layout-wrapper { margin-left: 0; }
body.login-view .main-content { padding: 0; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--clr-bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
}

.login-card-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.login-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-text-primary);
  letter-spacing: -.5px;
  margin-bottom: 0.25rem;
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
}

.login-form .form-group:last-of-type { margin-bottom: 1.25rem; }

.login-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}