/* =====================================================
   YASO YAZILIM — dashboard.css
   Premium Dark Admin Panel
   ===================================================== */

:root {
  --db-bg: #0D1117;
  --db-sidebar: #0D1117;
  --db-content: #0D1117;
  --db-card: #161B22;
  --db-card-hover: #1C2128;
  --db-border: #30363D;
  --db-border-hover: #484F58;
  --db-primary: #3B82F6;
  --db-primary-dark: #2563EB;
  --db-accent: #06B6D4;
  --db-success: #3FB950;
  --db-warning: #D29922;
  --db-danger: #F85149;
  --db-info: #58A6FF;
  --db-text-primary: #E6EDF3;
  --db-text-secondary: #8B949E;
  --db-text-muted: #656D76;
  --db-sidebar-w: 260px;
  --db-nav-h: 64px;
  --db-transition: all 0.22s ease;
  --db-font: 'Inter', -apple-system, sans-serif;
  --db-radius: 8px;
  --db-radius-lg: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body.dashboard-body { font-family: var(--db-font); background: var(--db-bg); color: var(--db-text-primary); line-height: 1.6; }
img { max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--db-bg); }
::-webkit-scrollbar-thumb { background: var(--db-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--db-primary); }

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

/* ===== SIDEBAR ===== */
.db-sidebar {
  width: var(--db-sidebar-w); background: var(--db-sidebar);
  border-right: 1px solid var(--db-border); display: flex; flex-direction: column;
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 100;
  overflow-y: auto; transition: var(--db-transition);
}
.db-sidebar::-webkit-scrollbar { width: 4px; }
.db-sidebar-logo {
  padding: 0 20px; min-height: var(--db-nav-h);
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--db-border); flex-shrink: 0;
}
.db-logo-icon {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, #3B82F6, #06B6D4);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: white; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.db-logo-text .brand { font-size: 15px; font-weight: 700; color: var(--db-text-primary); display: block; }
.db-logo-text .sub { font-size: 10px; color: var(--db-text-muted); letter-spacing: 0.5px; }
.db-nav { padding: 12px; flex: 1; }
.db-nav-section-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--db-text-muted);
  padding: 12px 12px 6px; display: block;
}
.db-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--db-radius);
  color: var(--db-text-secondary); font-size: 14px; font-weight: 500;
  transition: var(--db-transition); cursor: pointer; margin-bottom: 2px;
  position: relative;
}
.db-nav-item:hover { background: var(--db-card); color: var(--db-text-primary); }
.db-nav-item.active { background: rgba(59,130,246,0.12); color: var(--db-primary); font-weight: 600; }
.db-nav-item.active::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px; background: var(--db-primary); border-radius: 0 2px 2px 0;
}
.db-nav-item i { font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }
.db-nav-badge {
  margin-left: auto; background: var(--db-danger); color: white;
  font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 99px; min-width: 20px; text-align: center;
}
.db-sidebar-footer { padding: 12px; border-top: 1px solid var(--db-border); flex-shrink: 0; }

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

/* ===== TOPNAV ===== */
.db-topnav {
  height: var(--db-nav-h); border-bottom: 1px solid var(--db-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; background: var(--db-bg);
  position: sticky; top: 0; z-index: 50; flex-shrink: 0;
}
.db-topnav-left { display: flex; align-items: center; gap: 12px; }
.db-menu-btn {
  width: 36px; height: 36px; border-radius: var(--db-radius);
  display: none; align-items: center; justify-content: center;
  color: var(--db-text-secondary); transition: var(--db-transition);
  font-size: 18px; background: transparent;
}
.db-menu-btn:hover { background: var(--db-card); color: var(--db-text-primary); }
.db-page-title-nav { font-size: 16px; font-weight: 600; color: var(--db-text-primary); }
.db-topnav-right { display: flex; align-items: center; gap: 8px; }
.db-site-link {
  display: flex; align-items: center; gap: 6px; padding: 7px 14px;
  border-radius: var(--db-radius); font-size: 13px; color: var(--db-text-secondary);
  background: var(--db-card); border: 1px solid var(--db-border); transition: var(--db-transition);
}
.db-site-link:hover { color: var(--db-text-primary); border-color: var(--db-primary); }
.db-user-pill {
  display: flex; align-items: center; gap: 10px; padding: 6px 14px;
  border-radius: 99px; background: var(--db-card); border: 1px solid var(--db-border);
  cursor: pointer; transition: var(--db-transition);
}
.db-user-pill:hover { border-color: var(--db-border-hover); }
.db-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, #3B82F6, #06B6D4);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: white;
}
.db-username { font-size: 13px; font-weight: 500; }
.db-logout-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 7px 14px; border-radius: var(--db-radius);
  font-size: 13px; color: var(--db-danger); background: transparent;
  border: 1px solid rgba(248,81,73,0.25); transition: var(--db-transition);
}
.db-logout-btn:hover { background: rgba(248,81,73,0.08); border-color: var(--db-danger); }

/* ===== CONTENT ===== */
.db-content { padding: 28px 24px; flex: 1; }
.db-page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; flex-wrap: wrap; gap: 12px; }
.db-page-header-left h1 { font-size: 22px; font-weight: 700; }
.db-page-header-left p { font-size: 13px; color: var(--db-text-secondary); margin-top: 3px; }

/* ===== STAT CARDS ===== */
.db-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 28px; }
.db-stat-card {
  background: var(--db-card); border: 1px solid var(--db-border);
  border-radius: var(--db-radius-lg); padding: 22px 20px;
  transition: var(--db-transition); position: relative; overflow: hidden;
}
.db-stat-card:hover { border-color: var(--db-border-hover); transform: translateY(-2px); }
.db-stat-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.db-stat-label { font-size: 12px; color: var(--db-text-secondary); font-weight: 500; }
.db-stat-icon { width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.db-stat-card.blue .db-stat-icon { background: rgba(59,130,246,0.15); color: var(--db-primary); }
.db-stat-card.green .db-stat-icon { background: rgba(63,185,80,0.15); color: var(--db-success); }
.db-stat-card.cyan .db-stat-icon { background: rgba(6,182,212,0.15); color: var(--db-accent); }
.db-stat-card.yellow .db-stat-icon { background: rgba(210,153,34,0.15); color: var(--db-warning); }
.db-stat-value { font-size: 32px; font-weight: 800; line-height: 1; color: var(--db-text-primary); }
.db-stat-sub { font-size: 11px; color: var(--db-text-muted); margin-top: 4px; }

/* ===== TABLE CARD ===== */
.db-table-card { background: var(--db-card); border: 1px solid var(--db-border); border-radius: var(--db-radius-lg); overflow: hidden; }
.db-table-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--db-border); flex-wrap: wrap; gap: 10px; }
.db-table-title { font-size: 15px; font-weight: 600; }
.db-table-actions { display: flex; gap: 8px; }
.db-table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 11px 16px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.8px; color: var(--db-text-muted);
  background: rgba(0,0,0,0.15); border-bottom: 1px solid var(--db-border); text-align: left; white-space: nowrap;
}
tbody tr { border-bottom: 1px solid rgba(48,54,61,0.5); transition: var(--db-transition); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--db-card-hover); }
tbody td { padding: 13px 16px; font-size: 14px; vertical-align: middle; }
.td-muted { color: var(--db-text-secondary); font-size: 13px; }
.actions-cell { display: flex; gap: 6px; align-items: center; }
.unread-row { background: rgba(59,130,246,0.04); }
.unread-row td:first-child { border-left: 3px solid var(--db-primary); }

/* ===== BADGES ===== */
.db-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 99px; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.db-badge-blue { background: rgba(59,130,246,0.15); color: #93C5FD; border: 1px solid rgba(59,130,246,0.25); }
.db-badge-green { background: rgba(63,185,80,0.15); color: #86EFAC; border: 1px solid rgba(63,185,80,0.25); }
.db-badge-yellow { background: rgba(210,153,34,0.15); color: #FCD34D; border: 1px solid rgba(210,153,34,0.25); }
.db-badge-red { background: rgba(248,81,73,0.15); color: #FCA5A5; border: 1px solid rgba(248,81,73,0.25); }
.db-badge-cyan { background: rgba(6,182,212,0.15); color: #67E8F9; border: 1px solid rgba(6,182,212,0.25); }
.db-badge-purple { background: rgba(139,92,246,0.15); color: #C4B5FD; border: 1px solid rgba(139,92,246,0.25); }
.db-badge-gray { background: rgba(139,148,158,0.15); color: #8B949E; border: 1px solid rgba(139,148,158,0.25); }

/* ===== BUTTONS ===== */
.db-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--db-radius); font-size: 13px; font-weight: 500;
  transition: var(--db-transition); cursor: pointer; border: 1px solid transparent;
  font-family: var(--db-font); white-space: nowrap;
}
.db-btn-primary { background: var(--db-primary); color: white; }
.db-btn-primary:hover { background: var(--db-primary-dark); box-shadow: 0 4px 12px rgba(59,130,246,0.3); }
.db-btn-success { background: var(--db-success); color: white; }
.db-btn-success:hover { background: #2ea043; }
.db-btn-danger { background: transparent; color: var(--db-danger); border-color: rgba(248,81,73,0.3); }
.db-btn-danger:hover { background: rgba(248,81,73,0.1); border-color: var(--db-danger); }
.db-btn-secondary { background: var(--db-card); color: var(--db-text-secondary); border-color: var(--db-border); }
.db-btn-secondary:hover { color: var(--db-text-primary); border-color: var(--db-border-hover); }
.db-btn-warning { background: transparent; color: var(--db-warning); border-color: rgba(210,153,34,0.3); }
.db-btn-warning:hover { background: rgba(210,153,34,0.1); }
.db-btn-sm { padding: 5px 12px; font-size: 12px; }
.db-btn-lg { padding: 11px 22px; font-size: 14px; }

/* ===== FORMS ===== */
.db-form-card { background: var(--db-card); border: 1px solid var(--db-border); border-radius: var(--db-radius-lg); padding: 28px; }
.db-form-section-title { font-size: 15px; font-weight: 600; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--db-border); }
.db-form-group { margin-bottom: 18px; }
.db-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.db-form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.db-label { display: block; font-size: 12px; font-weight: 600; color: var(--db-text-secondary); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.5px; }
.db-label .req { color: var(--db-danger); margin-left: 3px; }
.db-input {
  width: 100%; padding: 9px 13px; background: var(--db-bg);
  border: 1px solid var(--db-border); border-radius: var(--db-radius);
  color: var(--db-text-primary); font-size: 14px; transition: var(--db-transition); outline: none; font-family: var(--db-font);
}
.db-input:focus { border-color: var(--db-primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.db-input::placeholder { color: var(--db-text-muted); }
select.db-input { cursor: pointer; }
textarea.db-input { resize: vertical; min-height: 110px; }
.db-input-hint { font-size: 11px; color: var(--db-text-muted); margin-top: 5px; }
.db-check-group { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.db-check-group input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--db-primary); cursor: pointer; }
.db-check-group label { font-size: 14px; color: var(--db-text-secondary); cursor: pointer; }
.db-form-actions { display: flex; gap: 10px; margin-top: 24px; padding-top: 20px; border-bottom: none; border-top: 1px solid var(--db-border); }

/* ===== ALERTS ===== */
.db-alert { padding: 13px 16px; border-radius: var(--db-radius); font-size: 14px; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.db-alert-success { background: rgba(63,185,80,0.08); border: 1px solid rgba(63,185,80,0.25); color: #86EFAC; }
.db-alert-danger { background: rgba(248,81,73,0.08); border: 1px solid rgba(248,81,73,0.25); color: #FCA5A5; }
.db-alert-info { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.25); color: #93C5FD; }
.db-alert-warning { background: rgba(210,153,34,0.08); border: 1px solid rgba(210,153,34,0.25); color: #FCD34D; }

/* ===== EMPTY STATE ===== */
.db-empty { text-align: center; padding: 60px 24px; }
.db-empty i { font-size: 40px; color: var(--db-text-muted); display: block; margin-bottom: 14px; }
.db-empty p { color: var(--db-text-secondary); margin-bottom: 20px; }

/* ===== MESSAGE DETAIL ===== */
.msg-card { background: var(--db-card); border: 1px solid var(--db-border); border-radius: var(--db-radius-lg); padding: 28px; }
.msg-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; padding-bottom: 20px; border-bottom: 1px solid var(--db-border); margin-bottom: 24px; }
.msg-meta-item label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--db-text-muted); display: block; margin-bottom: 4px; }
.msg-meta-item span { font-size: 14px; color: var(--db-text-primary); font-weight: 500; }
.msg-subject { font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.msg-body { color: var(--db-text-secondary); font-size: 15px; line-height: 1.8; white-space: pre-wrap; padding: 20px; background: var(--db-bg); border-radius: var(--db-radius); border: 1px solid var(--db-border); }

/* ===== IMAGE PREVIEW ===== */
#image-preview { max-width: 100%; max-height: 200px; object-fit: cover; border-radius: var(--db-radius); border: 1px solid var(--db-border); margin-top: 10px; display: none; }

/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--db-bg); padding: 24px; position: relative; overflow: hidden;
}
.login-bg-glow {
  position: absolute; width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.06), transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none;
}
.login-card {
  width: 100%; max-width: 400px; background: var(--db-card);
  border: 1px solid var(--db-border); border-radius: 16px; padding: 44px 36px;
  position: relative; z-index: 1;
}
.login-logo-wrap { display: flex; flex-direction: column; align-items: center; margin-bottom: 32px; text-align: center; }
.login-logo-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, #3B82F6, #06B6D4);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 800; color: white; margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(59,130,246,0.3);
}
.login-logo-wrap h1 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.login-logo-wrap p { font-size: 13px; color: var(--db-text-muted); }
.login-card .db-label { font-size: 13px; text-transform: none; letter-spacing: 0; font-weight: 500; }
.login-card .db-input { padding: 11px 14px; font-size: 14px; }
.login-card .db-btn-primary { width: 100%; justify-content: center; padding: 12px; font-size: 15px; margin-top: 8px; }
.login-error { color: #FCA5A5; font-size: 13px; text-align: center; background: rgba(248,81,73,0.08); border: 1px solid rgba(248,81,73,0.2); border-radius: var(--db-radius); padding: 10px; margin-bottom: 16px; }
.login-success { color: #86EFAC; font-size: 13px; text-align: center; background: rgba(63,185,80,0.08); border: 1px solid rgba(63,185,80,0.2); border-radius: var(--db-radius); padding: 10px; margin-bottom: 16px; }

/* ===== OVERLAY ===== */
.db-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 90; }
.db-overlay.open { display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .db-sidebar { transform: translateX(-100%); z-index: 200; box-shadow: none; }
  .db-sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,0.4); }
  .db-main { margin-left: 0; }
  .db-menu-btn { display: flex; }
  .db-form-row { grid-template-columns: 1fr; }
  .db-form-row-3 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .db-content { padding: 16px; }
  .db-stats-grid { grid-template-columns: 1fr 1fr; }
  .db-page-header { flex-direction: column; align-items: flex-start; }
  .login-card { padding: 32px 24px; }
  .db-topnav-right .db-site-link { display: none; }
  .db-username { display: none; }
}