/* ==========================================================================
   DBP AGENTIC KANBAN — DESIGN SYSTEM & STYLESHEET
   Aesthetics: Google Light Mode System Theme
   Proportions: Fibonacci Scale (8px, 13px, 21px, 34px, 55px, 89px, 144px, 233px, 377px)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700&display=swap');

:root {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Fibonacci Spacing & Dimension Scale */
  --fib-8: 8px;
  --fib-13: 13px;
  --fib-21: 21px;
  --fib-34: 34px;
  --fib-55: 55px;
  --fib-89: 89px;
  --fib-144: 144px;
  --fib-233: 233px;
  --fib-377: 377px;

  /* 60-30-10 Color System (Light Mode First) */
  --bg-60-main: #F8F9FA;
  --bg-60-surface: #FFFFFF;
  
  --color-30-text-main: #202124;
  --color-30-text-muted: #5F6368;
  --border-30-line: #E8EAED;
  --bg-30-column: #F1F3F4;
  
  --color-10-accent: #0D9488;        /* Restful Teal Accent */
  --color-10-accent-hover: #0F766E;
  --color-10-accent-light: #E6FFFA;

  /* Alert & Status Badge Colors */
  --badge-info-bg: #E8F0FE;
  --badge-info-color: #1A73E8;
  --badge-primary-bg: #CCFBF1;
  --badge-primary-color: #0F766E;
  --badge-warning-bg: #FEF3C7;
  --badge-warning-color: #D97706;
  --badge-success-bg: #D1FAE5;
  --badge-success-color: #059669;
  --badge-danger-bg: #FEE2E2;
  --badge-danger-color: #DC2626;

  /* Typography & Shadows */
  --radius-sm: 8px;
  --radius-md: 13px;
  --radius-lg: 21px;
  --shadow-card: 0 1px 3px rgba(60, 64, 67, 0.12), 0 1px 2px rgba(60, 64, 67, 0.08);
  --shadow-modal: 0 8px 21px rgba(60, 64, 67, 0.18);
}

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

body {
  font-family: 'Source Sans 3', sans-serif;
  background-color: var(--bg-60-main);
  color: var(--color-30-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Auth Container (Passwordless OTP Login) */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--fib-21);
  background-color: var(--bg-60-main);
}

.auth-card {
  background: var(--bg-60-surface);
  border: 1px solid var(--border-30-line);
  border-radius: var(--radius-lg);
  padding: var(--fib-34);
  width: 100%;
  max-width: var(--fib-377);
  box-shadow: var(--shadow-modal);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--fib-21);
}

.auth-logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-10-accent);
  margin-bottom: var(--fib-8);
}

.auth-header h1 {
  font-size: 21px;
  font-weight: 600;
  color: var(--color-30-text-main);
}

.auth-error {
  background-color: var(--badge-danger-bg);
  color: var(--badge-danger-color);
  padding: var(--fib-13);
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: var(--fib-21);
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
}

/* Form Controls */
.form-group {
  margin-bottom: var(--fib-21);
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--fib-8);
  color: var(--color-30-text-main);
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: var(--fib-13);
  border: 1px solid var(--border-30-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-10-accent);
  box-shadow: 0 0 0 3px var(--color-10-accent-light);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--fib-13) var(--fib-21);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background-color: var(--color-10-accent);
  color: #FFFFFF;
  width: 100%;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background-color: var(--color-10-accent-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-link {
  background: transparent;
  color: var(--color-30-text-muted);
  font-size: 13px;
  text-decoration: underline;
  border: none;
  cursor: pointer;
  padding: var(--fib-8);
  margin-top: var(--fib-13);
  text-align: center;
}

/* App Viewport & Navbar */
.app-viewport {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.navbar {
  height: var(--fib-55);
  background: var(--bg-60-surface);
  border-bottom: 1px solid var(--border-30-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--fib-21);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--fib-8);
}

.logo-icon {
  font-size: 21px;
  color: var(--color-10-accent);
}

.nav-brand h1 {
  font-size: 16px;
  font-weight: 600;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: var(--fib-13);
  font-size: 13px;
  color: var(--color-30-text-muted);
}

.user-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--badge-success-color);
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--border-30-line);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
}

/* Kanban Board Container */
.board-container {
  flex: 1;
  display: flex;
  gap: var(--fib-21);
  padding: var(--fib-21);
  overflow-x: auto;
  background-color: var(--bg-60-main);
}

.kanban-column {
  width: 320px;
  min-width: 320px;
  background: var(--bg-30-column);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

.column-header {
  padding: var(--fib-13) var(--fib-21);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-30-line);
}

.column-title-group {
  display: flex;
  align-items: center;
  gap: var(--fib-8);
}

.column-header h2 {
  font-size: 14px;
  font-weight: 600;
}

.badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}

.bg-info { background: var(--badge-info-bg); color: var(--badge-info-color); }
.bg-primary { background: var(--badge-primary-bg); color: var(--badge-primary-color); }
.bg-warning { background: var(--badge-warning-bg); color: var(--badge-warning-color); }
.bg-success { background: var(--badge-success-bg); color: var(--badge-success-color); }
.bg-danger { background: var(--badge-danger-bg); color: var(--badge-danger-color); }

.column-cards {
  flex: 1;
  padding: var(--fib-13);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--fib-13);
}

.card-item {
  background: var(--bg-60-surface);
  border: 1px solid var(--border-30-line);
  border-radius: var(--radius-sm);
  padding: var(--fib-13);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.card-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(60, 64, 67, 0.15);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--fib-8);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
}

.agent-tag {
  font-size: 10px;
  background: var(--bg-30-column);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-30-text-muted);
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--color-30-text-muted);
}

.meta-row {
  display: block;
}

.card-preview-notes {
  margin-top: var(--fib-8);
  font-size: 11px;
  color: var(--color-30-text-muted);
  background: var(--bg-60-main);
  padding: 6px;
  border-radius: 4px;
  white-space: pre-wrap;
}

/* Detail Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-container {
  background: var(--bg-60-surface);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

.modal-header {
  padding: var(--fib-13) var(--fib-21);
  border-bottom: 1px solid var(--border-30-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 18px;
  cursor: pointer;
}

.modal-body {
  padding: var(--fib-21);
  display: flex;
  flex-direction: column;
  gap: var(--fib-13);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 13px;
}

.detail-notes {
  background: var(--bg-60-main);
  padding: var(--fib-13);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.feedback-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feedback-label {
  font-size: 12px;
  font-weight: 600;
}

.voice-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.voice-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.btn-mic {
  background: var(--bg-30-column);
}

.btn-mic.recording {
  background: var(--badge-danger-bg);
  color: var(--badge-danger-color);
  animation: pulse 1s infinite;
}

.btn-send {
  background: var(--color-10-accent);
  color: #FFFFFF;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}