/* ==========================================================================
   WhatsApp Asistan Paneli - stiller
   Modern, sade, responsive. Harici bagimlilik yok.
   ========================================================================== */

:root {
  --green: #128c7e;
  --green-light: #25d366;
  --green-dark: #075e54;
  --bg: #f0f2f5;
  --surface: #ffffff;
  --text: #1f2937;
  --text-soft: #6b7280;
  --border: #e5e7eb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --success: #16a34a;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ---------- Butonlar ---------- */
.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, transform 0.05s;
  font-family: inherit;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary { background: #eef2f7; color: var(--text); }
.btn-secondary:hover { background: #e2e8f0; }
.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: rgba(0,0,0,0.05); color: var(--text); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ---------- Giris ekrani ---------- */
.login-view {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
}
.login-card {
  background: var(--surface);
  padding: 40px 32px;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-logo { font-size: 48px; }
.login-card h1 { margin: 8px 0 4px; font-size: 22px; }
.login-sub { color: var(--text-soft); margin: 0 0 24px; font-size: 14px; }
.login-card label {
  display: block;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-soft);
}
.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  margin-bottom: 20px;
  font-family: inherit;
}
.login-card input:focus { outline: 2px solid var(--green-light); border-color: transparent; }
.error-text { color: var(--danger); font-size: 13px; margin: 12px 0 0; }

/* ---------- Uygulama duzeni ---------- */
.app-view { display: flex; height: 100%; }

.sidebar {
  width: 240px;
  background: var(--green-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px;
  font-size: 17px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.brand-logo { font-size: 22px; }
.nav { padding: 12px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.nav-item:hover { background: rgba(255,255,255,0.1); }
.nav-item.active { background: rgba(255,255,255,0.18); color: #fff; }
.nav-ico { font-size: 16px; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.1); }
.sidebar-footer .btn-ghost { color: rgba(255,255,255,0.85); }
.sidebar-footer .btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }

.content { flex: 1; overflow-y: auto; padding: 28px 32px; }
.tab { display: none; }
.tab.active { display: block; }
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-head h2 { margin: 0; font-size: 22px; }

/* ---------- Istatistik kartlari ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat-value { font-size: 30px; font-weight: 700; color: var(--green-dark); }
.stat-label { color: var(--text-soft); font-size: 13px; margin-top: 4px; }
.hint-card {
  margin-top: 20px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

/* ---------- Konusmalar / sohbet ---------- */
.chat-layout {
  display: flex;
  gap: 16px;
  height: calc(100vh - 140px);
  min-height: 400px;
}
.conv-sidebar {
  width: 320px;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.conv-filter {
  display: flex;
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.filter-btn {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-soft);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.filter-btn.active { background: var(--green); color: #fff; border-color: var(--green); }
.filter-badge {
  background: var(--danger);
  color: #fff;
  border-radius: 10px;
  padding: 0 6px;
  font-size: 11px;
  min-width: 16px;
  text-align: center;
}
.filter-btn.active .filter-badge { background: rgba(255,255,255,0.3); }
.conv-list { flex: 1; overflow-y: auto; }
.conv-empty { padding: 24px; text-align: center; color: var(--text-soft); font-size: 14px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot-green { background: var(--green-light); }
.dot-red { background: var(--danger); }
.stat-card-alert { border-color: #fca5a5; background: #fef2f2; }
.stat-card-alert .stat-value { color: var(--danger); }
.conv-item {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: center;
  transition: background 0.12s;
}
.conv-item:hover { background: #f9fafb; }
.conv-item.active { background: #e7f7f0; }
.conv-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--green-light);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.conv-info { flex: 1; min-width: 0; }
.conv-name { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-last { color: var(--text-soft); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.conv-time { color: var(--text-soft); font-size: 11px; }
.badge {
  background: var(--green-light);
  color: #fff;
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 700;
}

.chat-panel {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
}
.chat-empty-ico { font-size: 48px; margin-bottom: 12px; }
.chat-open { display: flex; flex-direction: column; height: 100%; }
.chat-head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: #f9fafb;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.chat-name { font-weight: 700; }
.chat-sub { color: var(--text-soft); font-size: 12px; }
.window-badge { font-size: 12px; font-weight: 600; white-space: nowrap; }
.window-badge.ok { color: var(--success); }
.window-badge.closed { color: var(--danger); }

/* Yanit alani (composer) */
.chat-composer {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  background: #f9fafb;
  flex-shrink: 0;
}
.composer-row { display: flex; gap: 8px; margin-bottom: 8px; }
.composer-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  font-family: inherit;
}
.composer-row input:focus { outline: 2px solid var(--green-light); border-color: transparent; }
.composer-row input:disabled { background: #f1f5f9; color: var(--text-soft); }
.chat-composer .btn:disabled { opacity: 0.5; cursor: not-allowed; }
.window-warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  margin-bottom: 8px;
  line-height: 1.4;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #efeae2;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.msg {
  max-width: 72%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.4;
  word-wrap: break-word;
  white-space: pre-wrap;
  box-shadow: 0 1px 1px rgba(0,0,0,0.08);
}
.msg.in { align-self: flex-start; background: #fff; }
.msg.out { align-self: flex-end; background: #d9fdd3; }
.msg-time { display: block; font-size: 10px; color: var(--text-soft); margin-top: 3px; text-align: right; }
.msg.failed { background: var(--danger-bg); border: 1px solid #fecaca; }
.msg-status { font-size: 10px; color: var(--danger); }

/* ---------- Ayarlar ---------- */
.settings-form { max-width: 640px; display: flex; flex-direction: column; gap: 20px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 16px; font-size: 16px; color: var(--green-dark); }
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-soft); }
.field input[type="text"],
.field input[type="password"],
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--green-light); border-color: transparent; }
.field-hint { display: block; color: var(--text-soft); font-size: 12px; margin-top: 5px; }
.switch-label { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.switch-label input { width: 18px; height: 18px; accent-color: var(--green); }
.settings-actions { display: flex; align-items: center; gap: 14px; }
.test-result { font-size: 13px; font-weight: 600; }
.test-result.ok { color: var(--success); }
.test-result.err { color: var(--danger); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 12px 22px;
  border-radius: 24px;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--danger); }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .app-view { flex-direction: column; height: auto; min-height: 100%; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .brand { border-bottom: none; padding: 14px 16px; }
  .nav { flex-direction: row; flex: 1; padding: 8px; overflow-x: auto; }
  .nav-item { white-space: nowrap; }
  .sidebar-footer { border-top: none; padding: 8px 16px; }
  .sidebar-footer .btn { width: auto; }
  .content { padding: 20px 16px; }
  .chat-layout { flex-direction: column; height: auto; }
  .conv-sidebar { width: 100%; max-height: 340px; }
  .chat-messages { min-height: 300px; }
}