/**
 * Glassmorphism Softphone UI Styles
 * @description 글래스모피즘 디자인 스타일시트
 */

/* ==================== CSS Variables ==================== */
:root {
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-bg-hover: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --blur-amount: 10px;

  --accent-blue: #4A90D9;
  --accent-green: #4CAF50;
  --accent-red: #F44336;
  --accent-orange: #FF9800;
  --accent-yellow: #FFC107;
  --accent-purple: #9C27B0;

  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  --status-idle: rgba(76, 175, 80, 0.3);
  --status-ring: rgba(255, 152, 0, 0.3);
  --status-connect: rgba(33, 150, 243, 0.3);
  --status-error: rgba(244, 67, 54, 0.3);
  --status-away: rgba(156, 39, 176, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* ==================== Reset & Base ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* ==================== Header ==================== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-radius: 0;
  border-bottom: 1px solid var(--glass-border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

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

.debug-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.debug-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.debug-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ==================== Main Container ==================== */
.main-container {
  display: flex;
  flex: 1;
  padding: 20px;
  gap: 20px;
  justify-content: center;
  align-items: flex-start;
}

/* ==================== Softphone Wrapper ==================== */
.softphone-wrapper {
  transition: filter var(--transition-normal), opacity var(--transition-normal);
}

.softphone-wrapper.blurred {
  filter: blur(4px);
  opacity: 0.5;
  pointer-events: none;
}

/* ==================== Glass Panel ==================== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* ==================== Softphone Container ==================== */
.softphone-container {
  width: 380px;
  max-width: 100%;
}

.softphone-container > * {
  margin-bottom: 16px;
}

.softphone-container > *:last-child {
  margin-bottom: 0;
}

/* ==================== Right Panel ==================== */
.right-panel {
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: filter var(--transition-normal), opacity var(--transition-normal);
}

.right-panel.blurred {
  filter: blur(4px);
  opacity: 0.5;
  pointer-events: none;
}

.panel-section {
  padding: 16px;
}

.panel-section .control-row {
  margin-bottom: 10px;
}

.panel-section .control-row:last-child {
  margin-bottom: 0;
}

.panel-section .btn {
  flex: 1;
  min-width: 70px;
  font-size: 12px;
  padding: 10px 8px;
}

/* ==================== Status Panel ==================== */
.status-panel {
  padding: 20px;
  text-align: center;
  transition: background-color var(--transition-normal);
}

.status-panel.status-idle { background-color: var(--status-idle); }
.status-panel.status-ring {
  background-color: var(--status-ring);
  animation: pulse 1s infinite;
}
.status-panel.status-connect { background-color: var(--status-connect); }
.status-panel.status-error { background-color: var(--status-error); }
.status-panel.status-away { background-color: var(--status-away); }
.status-panel.disconnected { background-color: var(--status-error); }

.user-info {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.user-info .label {
  color: var(--text-muted);
  margin-right: 4px;
}

.call-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.state-display {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.timer {
  font-size: 18px;
  font-family: 'Consolas', 'Monaco', monospace;
  color: var(--text-secondary);
}

.caller-info {
  font-size: 16px;
  color: var(--text-primary);
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  margin-top: 8px;
}

/* ==================== Dial Section ==================== */
.dial-section {
  padding: 20px;
}

.tel-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.prefix-select {
  width: 60px;
  padding: 14px 8px;
  font-size: 16px;
  text-align: center;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.prefix-select:focus {
  border-color: var(--accent-blue);
}

.prefix-select option {
  background: #1a1a2e;
  color: var(--text-primary);
}

.tel-input {
  flex: 1;
  padding: 14px 16px;
  font-size: 18px;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.tel-input::placeholder {
  color: var(--text-muted);
}

.tel-input:focus {
  border-color: var(--accent-blue);
}

.dialpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.dialpad-btn {
  padding: 16px;
  font-size: 20px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dialpad-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.dialpad-btn:active {
  transform: scale(0.95);
}

/* ==================== Buttons ==================== */
.btn {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn:hover:not(:disabled) {
  background: var(--glass-bg-hover);
  transform: translateY(-2px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: rgba(74, 144, 217, 0.6);
  border-color: var(--accent-blue);
}

.btn-success {
  background: rgba(76, 175, 80, 0.6);
  border-color: var(--accent-green);
}

.btn-danger {
  background: rgba(244, 67, 54, 0.6);
  border-color: var(--accent-red);
}

.btn-warning {
  background: rgba(255, 152, 0, 0.6);
  border-color: var(--accent-orange);
}

.btn-purple {
  background: rgba(156, 39, 176, 0.6);
  border-color: var(--accent-purple);
}

.btn-lg {
  padding: 16px 24px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 12px;
  font-size: 12px;
}

/* Active state for toggle buttons */
.btn.active {
  background: rgba(156, 39, 176, 0.6);
  border-color: var(--accent-purple);
}

/* ==================== Control Groups ==================== */
.call-controls,
.mode-controls,
.work-mode-controls,
.transfer-controls {
  padding: 16px;
}

.control-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.control-row .btn {
  flex: 1;
  min-width: 80px;
}

.control-title {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Call Controls */
.call-controls .control-row {
  justify-content: center;
}

.call-controls .btn {
  min-width: 100px;
}

/* Work Mode Controls */
.work-mode-controls .control-row {
  flex-wrap: wrap;
}

.work-mode-controls .btn {
  flex: 1 1 calc(33% - 10px);
  min-width: 70px;
}

/* Transfer Controls */
.transfer-controls {
  display: none;
}

.transfer-controls.visible {
  display: block;
}

/* ==================== IVR Input ==================== */
.ivr-input {
  flex: 1;
  padding: 10px 12px;
  font-size: 14px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  min-width: 80px;
  transition: border-color var(--transition-fast);
}

.ivr-input::placeholder {
  color: var(--text-muted);
}

.ivr-input:focus {
  border-color: var(--accent-blue);
}

/* ==================== Animations ==================== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== Toast Notifications ==================== */
.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 10px;
}

.toast {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  animation: slideUp var(--transition-normal);
  max-width: 400px;
  text-align: center;
}

.toast.toast-error {
  background: rgba(244, 67, 54, 0.8);
  border-color: var(--accent-red);
}

.toast.toast-success {
  background: rgba(76, 175, 80, 0.8);
  border-color: var(--accent-green);
}

.toast.toast-warning {
  background: rgba(255, 152, 0, 0.8);
  border-color: var(--accent-orange);
}

/* ==================== Debug Panel ==================== */
.debug-panel {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 16px;
  font-size: 12px;
  font-family: 'Consolas', 'Monaco', monospace;
  max-height: 200px;
  overflow-y: auto;
  z-index: 999;
}

.debug-panel .log-entry {
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.debug-panel .log-entry:last-child {
  border-bottom: none;
}

.debug-panel .log-entry.error {
  color: var(--accent-red);
}

.debug-panel .log-entry.success {
  color: var(--accent-green);
}

/* ==================== Responsive ==================== */
@media (max-width: 800px) {
  .main-container {
    flex-direction: column;
    align-items: center;
  }

  .right-panel {
    width: 380px;
    max-width: 100%;
  }
}

@media (max-width: 420px) {
  .header {
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .softphone-container,
  .right-panel {
    width: 100%;
  }

  .dialpad-btn {
    padding: 12px;
    font-size: 18px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 13px;
  }

  .work-mode-controls .btn,
  .panel-section .btn {
    flex: 1 1 calc(50% - 10px);
  }

  .debug-panel {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }
}