/* ==========================================================================
   PLATAFORMA RAÍZES SOCIAIS - DESIGN SYSTEM & STYLES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-active: rgba(16, 185, 129, 0.5);

  --primary: #10b981;        /* Emerald / Social Green */
  --primary-hover: #059669;
  --primary-glow: rgba(16, 185, 129, 0.25);
  
  --secondary: #6366f1;      /* Indigo / Modern Tech */
  --secondary-hover: #4f46e5;

  --accent: #f59e0b;         /* Warm Amber */
  --accent-blue: #3b82f6;    /* Bright Blue */

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --info: #3b82f6;

  --sidebar-width: 280px;
  --header-height: 70px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-backdrop: blur(16px);
}

/* Light Mode Overrides (Controlled via data-theme="light") */
[data-theme="light"] {
  --bg-dark: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border-color: rgba(0, 0, 0, 0.08);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --shadow-glow: 0 8px 24px rgba(149, 157, 165, 0.15);
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(99, 102, 241, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */

#app {
  display: flex;
  width: 100vw;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Role Selector Toggle (Admin vs OSC Client View) */
.view-switcher {
  margin: 16px 20px 8px 20px;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: var(--radius-md);
  display: flex;
  border: 1px solid var(--border-color);
}

.view-btn {
  flex: 1;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.view-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px var(--primary-glow);
}

/* Nav Items */
.nav-menu {
  list-style: none;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-item a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active a {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.03) 100%);
  color: var(--primary);
  border-left: 3px solid var(--primary);
  font-weight: 600;
}

.nav-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.badge-count {
  margin-left: auto;
  background: var(--secondary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}

/* Sidebar Footer Profile */
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Main Content Area */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-header {
  height: var(--header-height);
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-title-area h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.header-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.2s;
}

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

/* Content Container */
.content-body {
  padding: 32px;
  flex: 1;
}

.page-section {
  display: none;
  animation: fadeIn 0.3s ease-in-out forwards;
}

.page-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   CARDS & STATS GRID
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-glow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-color-active);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--primary); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.stat-icon.purple { background: rgba(99, 102, 241, 0.15); color: var(--secondary); }
.stat-icon.amber { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

.stat-info h4 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-main);
}

/* Glass Panel */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-glow);
  margin-bottom: 28px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Buttons & Inputs */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #059669);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

select.form-control {
  cursor: pointer;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  padding: 14px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.1);
}

.custom-table td {
  padding: 16px;
  font-size: 0.88rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.custom-table tbody tr {
  transition: background 0.15s ease;
}

.custom-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--info); border: 1px solid rgba(59, 130, 246, 0.3); }

/* Document Upload Zone */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.2s ease;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background: rgba(16, 185, 129, 0.05);
}

.dropzone-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 12px;
}

/* Google Drive Sync Banner */
.drive-banner {
  background: linear-gradient(135deg, rgba(66, 133, 244, 0.15) 0%, rgba(52, 168, 83, 0.15) 100%);
  border: 1px solid rgba(66, 133, 244, 0.3);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.drive-banner-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.drive-logo {
  font-size: 2rem;
  color: #4285f4;
}

/* LMS / Learning Cards Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border-color-active);
}

.course-thumb {
  height: 160px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 12px;
}

.course-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent 60%);
}

.course-tag {
  position: relative;
  z-index: 2;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  text-transform: uppercase;
}

.course-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.course-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.88rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease forwards;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .sidebar {
    width: 80px;
  }
  .logo-text, .nav-text, .user-info, .logo-subtitle, .view-switcher {
    display: none;
  }
  .main-wrapper {
    margin-left: 80px;
  }
  .sidebar-header {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .top-header {
    padding: 0 16px;
  }
  .content-body {
    padding: 16px;
  }
}

/* ==================== LOGIN OVERLAY BACKDROP ==================== */
.login-overlay-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 15, 29, 0.95);
  backdrop-filter: blur(12px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card-container {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: 12px;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.login-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.login-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.login-footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 24px;
}

/* User Profile Widget in Top Bar */
.user-profile-widget {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 30px;
  font-size: 0.82rem;
  color: var(--text-main);
}

.btn-logout {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background: var(--danger);
  color: #fff;
}