/* ============================================================
   VDS Panel — Ortak Tasarım Sistemi (Frontend + Admin)
   Açık mavi SunucumPlus hosting teması.
   Admin paneli admin.css içinde koyu token override kullanır.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Outfit:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');

:root {
  --bg-base: #f4f8fb;
  --bg-elevated: #ffffff;
  --bg-panel: #ffffff;
  --bg-hover: #eef4f8;
  --bg-muted: #e8f0f6;

  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.14);
  --border-accent: rgba(14, 165, 233, 0.4);

  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --accent-soft: rgba(14, 165, 233, 0.12);
  --accent-2: #38bdf8;
  --accent-2-soft: rgba(56, 189, 248, 0.14);

  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-invert: #ffffff;

  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0284c7;

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
  --shadow-accent: 0 0 0 1px var(--border-accent), 0 12px 32px rgba(14, 165, 233, 0.18);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 200ms;

  --container: 1180px;
  --header-h: 72px;

  /* Landing yardımcıları */
  --home-green: var(--accent);
  --home-green-dark: var(--accent-hover);
  --home-green-soft: var(--accent-soft);
  --home-ink: var(--text);
  --home-muted: var(--text-muted);
  --home-bg: var(--bg-base);
  --home-card: var(--bg-elevated);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a { color: var(--accent); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--accent-hover); }

p { color: var(--text-secondary); margin: 0 0 1em; }

img { max-width: 100%; display: block; }

/* SVG ikonlar */
.icon-svg {
  width: 1.15em;
  height: 1.15em;
  display: inline-block;
  vertical-align: -0.2em;
  flex-shrink: 0;
}
.brand .icon-svg, .brand-mark .icon-svg { width: 22px; height: 22px; color: var(--accent); }
.panel-nav .ic .icon-svg,
.admin-nav .ic .icon-svg,
.panel-logout .ic .icon-svg { width: 18px; height: 18px; }
.cart-bell .icon-svg,
.notif-bell .icon-svg,
.sound-toggle .icon-svg,
.mobile-toggle .icon-svg { width: 18px; height: 18px; }
.feature-ic { display: inline-flex; margin-right: 6px; color: var(--accent); }
.feature-ic .icon-svg { width: 20px; height: 20px; }
.category-card .icon .icon-svg { width: 26px; height: 26px; color: var(--accent); }
.empty-state .icon .icon-svg { width: 40px; height: 40px; color: var(--text-muted); }

/* Marka logosu + otomatik görsel boyutlandırma */
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; }
.brand:hover { color: var(--accent-hover); }
.brand-logo, .hero-logo, .img-fit, .product-card img, .campaign-banner-img, .card img {
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.brand-logo {
  max-height: 36px;
  max-width: 140px;
}
.brand-mark { display: inline-flex; align-items: center; }
.brand-text { white-space: nowrap; }
.hero-brand-row { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.hero-logo { max-height: 56px; max-width: 200px; }
.campaign-banner-img { max-height: 72px; max-width: 160px; border-radius: 10px; flex-shrink: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), background var(--duration) var(--ease), color var(--duration) var(--ease);
  text-decoration: none;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: var(--text-invert);
  box-shadow: 0 10px 28px rgba(14, 165, 233, 0.28);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--text-invert);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.35);
}
.btn-secondary {
  background: var(--bg-muted);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-accent);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--border-accent);
}
.btn-outline:hover { background: var(--accent-soft); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 15px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

/* --- Cards & panels --- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.panel { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); }

/* --- Forms --- */
.form-group { margin-bottom: 18px; }
.form-label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-control {
  width: 100%;
  background: var(--bg-muted);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-control::placeholder { color: var(--text-muted); }
.form-control option { background: var(--bg-elevated); color: var(--text); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { cursor: pointer; }
input[type="file"].form-control {
  background: var(--bg-muted);
  color: var(--text-secondary);
}
input[type="date"].form-control,
input[type="datetime-local"].form-control,
input[type="time"].form-control {
  color-scheme: dark light;
}
.field-error { display: block; color: var(--danger); font-size: 12.5px; margin-top: 6px; }
.form-hint { color: var(--text-muted); font-size: 12.5px; margin-top: 6px; display: block; }

/* --- Badges --- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase; }
.badge-success { background: rgba(22, 163, 74, 0.12); color: var(--success); }
.badge-warning { background: rgba(217, 119, 6, 0.12); color: var(--warning); }
.badge-danger { background: rgba(220, 38, 38, 0.12); color: var(--danger); }
.badge-info { background: rgba(2, 132, 199, 0.12); color: var(--info); }
.badge-muted { background: rgba(100, 116, 139, 0.12); color: var(--text-secondary); }
.badge-accent { background: var(--accent-soft); color: var(--accent); }

/* --- Alerts / flash messages --- */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 14px; border: 1px solid transparent; }
.alert-success { background: rgba(22, 163, 74, 0.1); color: #15803d; border-color: rgba(22, 163, 74, 0.28); }
.alert-error { background: rgba(220, 38, 38, 0.08); color: #b91c1c; border-color: rgba(220, 38, 38, 0.25); }
.alert-info { background: rgba(2, 132, 199, 0.08); color: #0369a1; border-color: rgba(2, 132, 199, 0.25); }

/* --- Tables --- */
table.table { width: 100%; border-collapse: collapse; }
table.table th, table.table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13.5px; }
table.table th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 11.5px; letter-spacing: 0.03em; }
table.table tbody tr { transition: background var(--duration) var(--ease); }
table.table tbody tr:hover { background: var(--bg-hover); }

/* --- Utility --- */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap { gap: 12px; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.section { padding: clamp(3rem, 8vw, 5rem) 0; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-muted); }
::-webkit-scrollbar-thumb { background: #c5d4de; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #a8bac8; }