/*
 * Pleroma Design Studios - Global Stylesheet
 * Inspired by Google Meet: Neat, clean, perfectly aligned, dark-theme layout.
 * Color Palette: Black, White, Green (Accents), Gray (Text/Borders)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Design System / Variables --- */
:root {
  --bg-primary: #121212;         /* Pure dark background */
  --bg-secondary: #202124;       /* Surface panels, header, toolbar */
  --bg-card: #292a2d;            /* Floating dialogs, cards */
  --bg-hover: #35363a;           /* Interactive hover states */
  
  --accent-green: #1e8e3e;       /* Google green for primary buttons, active items */
  --accent-green-hover: #177231;
  --accent-green-light: #e6f4ea; /* Soft green for success states */
  
  --text-primary: #ffffff;       /* Headings, high emphasis text */
  --text-secondary: #e8eaed;     /* Body text, medium emphasis */
  --text-muted: #9aa0a6;         /* Labels, captions, low emphasis */
  
  --border-color: #3c4043;       /* Clean dividing borders */
  --border-radius-pill: 24px;    /* Google Meet pill buttons */
  --border-radius-card: 8px;     /* Google Meet standard cards */
  
  --color-error: #d93025;        /* Soft red for warnings/errors */
  --color-error-hover: #b52218;
  
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-speed: 0.15s;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 500;
  letter-spacing: -0.01em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color var(--transition-speed);
}
a:hover {
  color: var(--text-primary);
}

/* --- Core Layout & Spacing (8px Grid Alignment) --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem; /* 24px */
}

/* --- Branded Header --- */
.header {
  height: 64px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 10;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent-green);
  border-radius: 50%;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.logo-sub {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 400;
  margin-left: 0.5rem;
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  border-radius: var(--border-radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
  gap: 0.5rem;
  outline: none;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-outline:hover {
  background-color: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn-danger {
  background-color: var(--color-error);
  color: var(--text-primary);
}
.btn-danger:hover {
  background-color: var(--color-error-hover);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  padding: 0;
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
}
.btn-icon:hover {
  background-color: var(--bg-hover);
}
.btn-icon.active {
  background-color: var(--accent-green);
  color: var(--text-primary);
  border-color: var(--accent-green);
}

.material-symbols-outlined {
  font-size: 20px;
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 20;
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
}

/* --- Center/Login Card Layout --- */
.auth-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: radial-gradient(circle at center, #18191c 0%, #121212 100%);
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 2.5rem;
  width: 100%;
  max-width: 448px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card-title {
  text-align: center;
  margin-bottom: 0.5rem;
}

/* --- Forms & Inputs --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-control {
  font-family: var(--font-family);
  font-size: 1rem;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem;
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 1px var(--accent-green);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* --- Alerts & Messages --- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-size: 0.875rem;
  border-left: 4px solid transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-error {
  background-color: rgba(217, 48, 37, 0.1);
  color: #ff8f8f;
  border-left-color: var(--color-error);
}

.alert-success {
  background-color: rgba(30, 142, 62, 0.1);
  color: #81c995;
  border-left-color: var(--accent-green);
}

/* --- Tables (Admin/Dashboard) --- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  background-color: var(--bg-card);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.table th, .table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.table tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background-color: var(--bg-hover);
}

.table td {
  color: var(--text-secondary);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-active {
  background-color: rgba(30, 142, 62, 0.15);
  color: #81c995;
}

.badge-completed {
  background-color: rgba(154, 160, 166, 0.15);
  color: var(--text-muted);
}

.badge-cancelled {
  background-color: rgba(217, 48, 37, 0.15);
  color: #ff8f8f;
}

/* --- Stats Cards --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- Meet View Grid & Layouts --- */
.meet-main {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  height: calc(100vh - 64px);
  background-color: var(--bg-primary);
}

.jitsi-wrapper {
  flex: 1;
  display: flex;
  position: relative;
  height: calc(100% - 80px);
}

#jitsi-container {
  width: 100%;
  height: 100%;
}

/* --- Control Footer Toolbar (Meet Style) --- */
.meet-footer {
  height: 80px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.meet-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
}

.meet-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* --- Whiteboard Panel Overlay (Transparent annotation layer over Jitsi) --- */
.whiteboard-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100% - 80px); /* Leave space for bottom meeting footer */
  background-color: transparent;
  display: none; /* Hidden by default */
  flex-direction: column;
  z-index: 200;
  pointer-events: none; /* Let clicks pass through to Jitsi when inactive */
}

.whiteboard-panel.open {
  display: flex;
}

.whiteboard-header {
  position: absolute;
  top: 20px;
  left: 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  pointer-events: auto; /* Enable clicks on header elements */
  z-index: 210;
}

.whiteboard-body {
  flex: 1;
  position: relative;
  background-color: transparent; /* Transparent to show the Jitsi iframe underneath */
  overflow: hidden;
  pointer-events: auto; /* Enable drawing interactions on the canvas */
}

.whiteboard-canvas {
  width: 100%;
  height: 100%;
  display: block;
  background-color: transparent;
}

.whiteboard-toolbar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  border-radius: var(--border-radius-pill);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  pointer-events: auto; /* Enable clicks on toolbar buttons */
  z-index: 210;
}

/* --- Recording Indicator --- */
.rec-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #ff8f8f;
  font-size: 0.875rem;
  font-weight: 500;
}

.rec-dot {
  width: 10px;
  height: 10px;
  background-color: var(--color-error);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* --- Countdown view (early state) --- */
.countdown-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.countdown-timer {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--accent-green);
  font-feature-settings: "tnum";
}

/* --- Animations --- */
.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Responsive Breakpoints --- */
@media (max-width: 768px) {
  .meet-footer {
    padding: 0 1rem;
  }
  .meet-info {
    display: none; /* Hide meeting time on mobile to save space */
  }
  .whiteboard-panel {
    width: calc(100% - 3rem);
  }
}