[hidden], .modal[hidden], section[hidden], p[hidden], div[hidden] {
  display: none !important;
}

:root {
  --bg-main: #f1f5f9;
  --bg-panel: #ffffff;
  --bg-card: #f8fafc;
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-active: #ff6600;
  
  --color-primary: #ff6600;
  --color-primary-hover: #e05a00;
  --color-primary-light: #fff7ed;
  --color-navy: #0f172a;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #334155;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 35px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background-color: var(--bg-main);
  background-image: radial-gradient(at 0% 0%, rgba(255, 102, 0, 0.04) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(15, 23, 42, 0.03) 0px, transparent 50%);
  color: var(--text-main);
  font-family: var(--font-family);
  padding: 24px;
  line-height: 1.5;
}

/* FULL WIDTH CONTAINER */
.shell {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px 40px;
}

/* TOPBAR */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.brand {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.topbar h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-navy);
}

.muted {
  color: var(--text-muted);
  font-size: 14px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* BUTTONS */
button, .btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  padding: 10px 20px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button:active {
  transform: scale(0.98);
}

button.ghost {
  background: #f8fafc;
  color: var(--text-light);
  border: 1px solid var(--border-color);
}

button.ghost:hover {
  background: #f1f5f9;
  color: var(--color-navy);
  border-color: #cbd5e1;
}

button.danger {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

button.danger:hover {
  background: #dc2626;
  color: #ffffff;
}

#logoutButton {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fee2e2;
  padding: 8px 18px;
  font-size: 13px;
}
#logoutButton:hover {
  background: #dc2626;
  color: #fff;
}

/* STATUS GRID (ADMIN ONLY) */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric span {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.metric strong {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-navy);
}

/* COMPOSER */
.composer {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.row.between {
  justify-content: space-between;
}

.device-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.device-label input {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--color-navy);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  outline: none;
  font-family: monospace;
  font-weight: 600;
}

.device-label input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.12);
}

/* QUICK CARD */
.quick-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(255, 102, 0, 0.6);
}

/* ALPHABET FILTER */
.quick-alphabet {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.quick-alphabet button {
  background: #f1f5f9;
  color: var(--text-light);
  border: 1px solid var(--border-color);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
}

.quick-alphabet button:hover {
  background: #e2e8f0;
  color: var(--color-navy);
  border-color: #cbd5e1;
}

.quick-alphabet button.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

/* QUICK GRID - FLUID RESPONSIVE */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 8px;
}

.quick-grid button {
  color: var(--color-navy);
  padding: 12px 6px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  min-height: 72px;
  line-height: 1.25;
  word-break: break-word;
  hyphens: auto;
}

.quick-grid button::before {
  content: "📢";
  font-size: 14px;
  opacity: 0.85;
}

/* ZEBRA DESEN DÖNGÜSÜ (Çapraz Satranç / Matris Zebra Deseni) */
/* 1. Satır: Tekler Turuncu, Çiftler Mavi */
.quick-grid button:nth-child(24n + 1),
.quick-grid button:nth-child(24n + 3),
.quick-grid button:nth-child(24n + 5),
.quick-grid button:nth-child(24n + 7),
.quick-grid button:nth-child(24n + 9),
.quick-grid button:nth-child(24n + 11) {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-top: 3px solid #ff6600;
}

.quick-grid button:nth-child(24n + 2),
.quick-grid button:nth-child(24n + 4),
.quick-grid button:nth-child(24n + 6),
.quick-grid button:nth-child(24n + 8),
.quick-grid button:nth-child(24n + 10),
.quick-grid button:nth-child(24n + 12) {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-top: 3px solid #0284c7;
}

/* 2. Satır: Tekler Mavi, Çiftler Turuncu (Alt alta ve yan yana tam zıtlaşma) */
.quick-grid button:nth-child(24n + 13),
.quick-grid button:nth-child(24n + 15),
.quick-grid button:nth-child(24n + 17),
.quick-grid button:nth-child(24n + 19),
.quick-grid button:nth-child(24n + 21),
.quick-grid button:nth-child(24n + 23) {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-top: 3px solid #0284c7;
}

.quick-grid button:nth-child(24n + 14),
.quick-grid button:nth-child(24n + 16),
.quick-grid button:nth-child(24n + 18),
.quick-grid button:nth-child(24n + 20),
.quick-grid button:nth-child(24n + 22),
.quick-grid button:nth-child(24n + 24) {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-top: 3px solid #ff6600;
}

.quick-grid button:hover {
  background: #fff7ed !important;
  border-color: #ff6600 !important;
  border-top-color: #ff6600 !important;
  color: #ea580c !important;
  box-shadow: 0 8px 18px rgba(255, 102, 0, 0.22);
  transform: translateY(-2px);
  z-index: 2;
}

@media (max-width: 1600px) {
  .quick-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 6px;
  }
  .quick-grid button {
    font-size: 11px;
    padding: 10px 4px;
  }
}

@media (max-width: 1200px) {
  .quick-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* UPLOAD SECTION */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 18px 0;
}

.upload-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
}

.upload-grid input {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--color-navy);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
}

#uploadSendButton {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
}
#uploadSendButton:hover {
  background: var(--color-primary-hover);
}

/* STATUS BAR */
.inline-status {
  padding: 14px 20px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  color: #065f46;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.inline-status::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.8);
}

/* ERROR MESSAGE */
.message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
}

/* ========================================================
   MODALS - CLEAN & STRUCTURED LAYOUT
   ======================================================== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 24px;
}

.modal-panel {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 920px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

.modal-head {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 18px;
  margin-bottom: 22px;
}

.modal-head h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-navy);
}

.modal-head .muted {
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-primary);
}

/* AUDIO MANAGER (SESLERİ GÜNCELLE) MODAL */
.audio-manager-panel {
  max-width: 980px;
}

.audio-manager-section {
  margin-bottom: 24px;
}

.quick-call-create {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 18px;
  border-radius: var(--radius-md);
  align-items: flex-end;
}

.quick-call-create label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
}

.quick-call-create input {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--color-navy);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

#quickCallCreateButton {
  background: var(--color-primary);
  color: #fff;
  height: 38px;
}

.audio-manager-list-section {
  flex: 1;
  overflow-y: auto;
  padding-right: 8px;
  max-height: 48vh;
}

.audio-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.audio-update-row {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.audio-update-row:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-sm);
}

.audio-update-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 180px;
}

.audio-update-details strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
}

.audio-update-details .mono {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
}

.audio-update-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.audio-update-controls input[type="text"] {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--color-navy);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 160px;
}

.audio-update-controls input[type="file"] {
  font-size: 12px;
  max-width: 190px;
}

.audio-update-controls button {
  padding: 7px 14px;
  font-size: 12px;
}

/* HISTORY MODAL */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 8px;
}

.history-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.history-item-details strong {
  color: var(--color-navy);
  font-size: 15px;
}

.history-item-details .muted {
  font-size: 12px;
}

/* CONFIRM MODAL */
.confirm-panel {
  max-width: 440px;
  text-align: center;
  padding: 32px 28px;
}

.confirm-panel h2 {
  font-size: 20px;
  margin: 12px 0 8px;
  color: var(--color-navy);
}

.confirm-text {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.confirm-actions {
  justify-content: center;
  gap: 14px;
}

.confirm-actions button {
  min-width: 120px;
}

#quickCallConfirmYes {
  background: var(--color-primary);
  color: #fff;
}
#quickCallConfirmYes:hover {
  background: var(--color-primary-hover);
}

/* THEME TOGGLE BUTTON */
.theme-switch-btn {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  color: var(--text-light);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 20px;
}
.theme-switch-btn:hover {
  background: #e2e8f0;
  color: var(--color-navy);
}

@media (max-width: 768px) {
  body {
    padding: 12px;
  }
  .panel {
    padding: 20px 16px;
  }
  .quick-grid {
    grid-template-columns: 1fr;
  }
  .upload-grid {
    grid-template-columns: 1fr;
  }
  .quick-call-create {
    grid-template-columns: 1fr;
  }
  .audio-update-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}


/* TOP CONTROL BAR - SINGLE LINE FLUID */
.top-control-bar {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.top-control-bar .metric {
  flex: 1;
  min-width: 140px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.top-control-bar .metric span {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.top-control-bar .metric strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-navy);
}

.top-control-bar .device-metric {
  flex: 1.3;
  min-width: 180px;
}

.top-control-bar .device-metric input {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--color-navy);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  font-family: monospace;
  outline: none;
  width: 100%;
}

.top-control-bar .top-actions-metric {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-control-bar .top-actions-metric button {
  padding: 12px 16px;
  font-size: 13px;
  white-space: nowrap;
  height: 100%;
}