/* ==========================================================================
   NexviaHub — Mobil Öncelikli Yönetim Paneli Teması
   Nexvia Digital Studio Renk & Tipografi Kimliği
   ========================================================================== */

:root {
  --bg: #121113;
  --surface: #1c171b;
  --surface-card: #231c21;
  --surface-card-hover: #2d242b;
  --border: rgba(246, 243, 240, 0.10);
  --border-strong: rgba(246, 243, 240, 0.18);
  --primary: #93032E;
  --primary-hover: #C42B59;
  --primary-active: #5E021D;
  --accent: #ED8994;
  --text: #F6F3F0;
  --text-muted: rgba(246, 243, 240, 0.65);
  --text-dim: rgba(246, 243, 240, 0.40);
  
  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #EF4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --info: #3B82F6;
  --info-bg: rgba(59, 130, 246, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  --bottom-nav-height: 64px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 15px;
  color-scheme: dark;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--bottom-nav-height) + 16px);
}

@media (min-width: 768px) {
  body {
    padding-bottom: 32px;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

/* ──────────────────────────────────────────────────────────────────────────
   Tipografi & Temel Başlıklar
   ────────────────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ──────────────────────────────────────────────────────────────────────────
   Header / Üst Bar
   ────────────────────────────────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18, 17, 19, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 60px;
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 2px 10px rgba(147, 3, 46, 0.4);
}

.brand-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.brand-text span {
  color: var(--accent);
  font-weight: 500;
}

.desktop-nav {
  display: none;
  gap: 4px;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: var(--surface-card);
}

.nav-link.active {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ──────────────────────────────────────────────────────────────────────────
   Mobil Alt Navigasyon Barı (Bottom Nav)
   ────────────────────────────────────────────────────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background: rgba(28, 23, 27, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 50;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  gap: 3px;
  flex: 1;
  padding: 8px 0;
}

.bottom-nav-item svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  transition: transform 0.15s ease;
}

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

.bottom-nav-item.active svg {
  transform: translateY(-2px);
}

/* ──────────────────────────────────────────────────────────────────────────
   Sayfa Düzeni & Container
   ────────────────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 1.5rem;
}

.page-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ──────────────────────────────────────────────────────────────────────────
   Butonlar
   ────────────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(147, 3, 46, 0.35);
}

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

.btn-secondary {
  background: var(--surface-card);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--surface-card-hover);
  border-color: var(--border-strong);
}

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

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
  border-radius: 6px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ──────────────────────────────────────────────────────────────────────────
   KPI Kartları (Dashboard)
   ────────────────────────────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 900px) {
  .kpi-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.kpi-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--kpi-color, var(--primary));
}

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ──────────────────────────────────────────────────────────────────────────
   Kartlar & Bölümler
   ────────────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.card-title {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ──────────────────────────────────────────────────────────────────────────
   Rozetler (Badges)
   ────────────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-primary { background: rgba(147, 3, 46, 0.25); color: #FFA1B8; border: 1px solid rgba(147, 3, 46, 0.45); }
.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-info    { background: var(--info-bg); color: var(--info); border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-muted   { background: rgba(246, 243, 240, 0.08); color: var(--text-muted); border: 1px solid var(--border); }

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control, .form-select, textarea.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-hover);
  box-shadow: 0 0 0 3px rgba(196, 43, 89, 0.25);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 600px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
  .form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ──────────────────────────────────────────────────────────────────────────
   Tablo & Mobil Kart Listeleri
   ────────────────────────────────────────────────────────────────────────── */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table th {
  padding: 12px 14px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
}

.data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(246, 243, 240, 0.02);
}

/* Mobil Kart Görünümü */
.mobile-card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-card-hover);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.project-card-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.project-card-client {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.project-card-price {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ──────────────────────────────────────────────────────────────────────────
   Modallar (Dialog)
   ────────────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  transform: translateY(20px);
  transition: transform 0.2s ease;
}

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

.modal-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.2rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
}

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

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* ──────────────────────────────────────────────────────────────────────────
   Flash Bildirim Mesajları
   ────────────────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success { background: var(--success-bg); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.alert-danger  { background: var(--danger-bg);  color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.alert-warning { background: var(--warning-bg); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.alert-info    { background: var(--info-bg);    color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }

/* ──────────────────────────────────────────────────────────────────────────
   WhatsApp & Arama Aksiyon Butonları
   ────────────────────────────────────────────────────────────────────────── */
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  border-color: #25D366;
  font-weight: 600;
}
.btn-whatsapp:hover {
  background: #20BA5A;
}

.btn-call {
  background: #3B82F6;
  color: #fff;
  border-color: #3B82F6;
}
.btn-call:hover {
  background: #2563EB;
}

/* ──────────────────────────────────────────────────────────────────────────
   Checklist & Vault
   ────────────────────────────────────────────────────────────────────────── */
.task-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: background 0.1s ease;
}
.task-item:hover {
  background: var(--surface);
}
.task-item.completed span {
  text-decoration: line-through;
  color: var(--text-dim);
}

.vault-box {
  background: #0d0c0e;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: monospace;
  font-size: 0.9rem;
  color: #a7f3d0;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Giriş Sayfası Özel */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}