/* ========================================================
   SOSYALOG PILOT — BAUHAUS MINIMALIST DESIGN SYSTEM
   Form Follows Function • Geometric Hierarchy • Dark Industrial
   ======================================================== */

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

:root {
  --bg-core: #09090b;
  --bg-surface: #121215;
  --bg-card: #18181c;
  --bg-hover: #222228;
  --border-dim: #27272e;
  --border-strong: #3f3f4a;
  
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;

  /* Bauhaus Signature Accents */
  --bauhaus-blue: #2563eb;
  --bauhaus-blue-light: #3b82f6;
  --bauhaus-red: #dc2626;
  --bauhaus-amber: #d97706;
  --bauhaus-green: #16a34a;

  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 2px;
  --radius-md: 4px;
}

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

body {
  background-color: var(--bg-core);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Tipografi */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

a {
  color: var(--bauhaus-blue-light);
  text-decoration: none;
  transition: opacity 0.15s;
}

a:hover {
  opacity: 0.85;
}

/* Navigasyon Barı */
.navbar {
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-dim);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #ffffff;
}

.brand span {
  color: var(--bauhaus-blue-light);
}

.brand-badge {
  background-color: var(--bg-core);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 10px;
  padding: 2px 6px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Impersonation Bildirim Barı */
.impersonation-bar {
  background-color: var(--bauhaus-amber);
  color: #000000;
  font-weight: 700;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  border-bottom: 2px solid #000;
}

.btn-unimpersonate {
  background: #000;
  color: #fff;
  border: none;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

/* Düzen ve Konteyner */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px;
  flex: 1;
  width: 100%;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 868px) {
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Bauhaus Kartları */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-dim);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ffffff;
}

/* Metrik Kutuları (Admin & Maliyet Motoru) */
.metric-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-dim);
  padding: 16px;
  border-left: 3px solid var(--bauhaus-blue);
  border-radius: var(--radius-sm);
}

.metric-box.profit {
  border-left-color: var(--bauhaus-green);
}

.metric-box.cost {
  border-left-color: var(--bauhaus-red);
}

.metric-box.rate {
  border-left-color: var(--bauhaus-amber);
}

.metric-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 4px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
}

.metric-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Bauhaus Butonları */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--bauhaus-blue);
  color: #ffffff;
  border: 1px solid var(--bauhaus-blue);
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  background-color: var(--bauhaus-blue-light);
  border-color: var(--bauhaus-blue-light);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
}

.btn-danger {
  background-color: var(--bauhaus-red);
  border-color: var(--bauhaus-red);
}

.btn-danger:hover {
  opacity: 0.9;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 11px;
}

/* Formlar & Girdiler */
.form-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.form-input, .form-select, .form-textarea {
  background-color: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: #ffffff;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--bauhaus-blue-light);
}

/* Tablolar */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

th {
  background-color: var(--bg-surface);
  color: var(--text-dim);
  font-family: var(--font-heading);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-strong);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text-main);
}

tr:hover td {
  background-color: var(--bg-hover);
}

/* Durum Rozetleri */
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
}

.badge-active { background-color: rgba(22, 163, 74, 0.2); color: #4ade80; border: 1px solid #16a34a; }
.badge-pending { background-color: rgba(217, 119, 6, 0.2); color: #fbbf24; border: 1px solid #d97706; }
.badge-danger { background-color: rgba(220, 38, 38, 0.2); color: #f87171; border: 1px solid #dc2626; }

/* Paket Kartı */
.plan-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.15s, border-color 0.15s;
}

.plan-card.featured {
  border-color: var(--bauhaus-blue);
  border-width: 2px;
}

.plan-price {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 800;
  color: #ffffff;
  margin: 16px 0;
}

.plan-price span {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: normal;
}

.plan-features {
  list-style: none;
  margin: 16px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text-muted);
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-features li::before {
  content: "■";
  color: var(--bauhaus-blue-light);
  font-size: 10px;
}

/* PWA Yükleme Bannerı */
.pwa-prompt {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--bauhaus-blue);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  border-radius: var(--radius-sm);
}

/* Footer */
footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-dim);
  padding: 24px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 8px;
}

/* Modallar (Bauhaus Dark Overlay) */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-content {
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
}

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

.modal-header h3 {
  font-size: 16px;
  letter-spacing: 0.5px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: #ffffff;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-dim);
  background: var(--bg-card);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Sekmeler (Bauhaus Tab Navigation) */
.tabs-nav {
  display: flex;
  border-bottom: 2px solid var(--border-dim);
  margin-bottom: 20px;
  gap: 4px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -2px;
  transition: all 0.15s;
}

.tab-btn:hover {
  color: #ffffff;
}

.tab-btn.active {
  color: var(--bauhaus-blue-light);
  border-bottom-color: var(--bauhaus-blue-light);
  background: var(--bg-card);
}

/* İndirme & Kurulum Kartı */
.download-hero-card {
  background: linear-gradient(180deg, #18181c 0%, #101014 100%);
  border: 2px solid var(--bauhaus-blue);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.install-step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.install-step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  padding: 16px;
  border-left: 3px solid var(--bauhaus-blue-light);
}

.install-step-num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--bauhaus-blue-light);
  margin-bottom: 6px;
}