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

:root {
  --bg-primary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(51, 65, 85, 0.8);
  --border-color: rgba(255, 255, 255, 0.1);
  --accent-primary: #6366f1;
  --accent-hover: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --chat-outbound: #4f46e5;
  --chat-inbound: #334155;
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-backdrop: blur(12px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Glassmorphic Container / Navbar */
.navbar-custom {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--border-color);
  padding: 0.8rem 1.5rem;
}

.brand-title {
  font-weight: 700;
  font-size: 1.25rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Cards & Glass Panels */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;
  transition: all 0.2s ease-in-out;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* Buttons */
.btn-primary-custom {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.25rem;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary-custom:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  color: #fff;
}

/* Forms */
.form-control-custom, .form-select-custom {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
}

.form-control-custom:focus, .form-select-custom:focus {
  background: rgba(15, 23, 42, 0.8);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
  outline: none;
}

/* Tables */
.table-custom {
  color: var(--text-primary);
  width: 100%;
}

.table-custom th {
  background: rgba(15, 23, 42, 0.5);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
}

.table-custom td {
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1rem;
  vertical-align: middle;
}

.table-custom tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Badges */
.badge-status {
  padding: 0.35em 0.65em;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50rem;
}

.badge-delivered, .badge-active, .badge-approved, .badge-completed {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-color);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-sent, .badge-processing, .badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-color);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-failed, .badge-inactive, .badge-rejected {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-color);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Two-Way Chat Container (WhatsApp Style) */
.chat-container {
  display: flex;
  height: calc(100vh - 120px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chat-sidebar {
  width: 320px;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  background: rgba(15, 23, 42, 0.4);
}

.chat-search-box {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.chat-contact-list {
  flex: 1;
  overflow-y: auto;
}

.contact-item {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-item:hover, .contact-item.active {
  background: rgba(99, 102, 241, 0.15);
}

.contact-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
}

.contact-meta {
  flex: 1;
  overflow: hidden;
}

.contact-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-last-msg {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.2);
}

.msg-bubble {
  max-width: 65%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  position: relative;
  word-wrap: break-word;
  line-height: 1.4;
}

.msg-bubble.outbound {
  align-self: flex-end;
  background: var(--chat-outbound);
  color: #fff;
  border-bottom-right-radius: 2px;
}

.msg-bubble.inbound {
  align-self: flex-start;
  background: var(--chat-inbound);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
}

.msg-timestamp {
  font-size: 0.7rem;
  margin-top: 0.35rem;
  opacity: 0.75;
  text-align: right;
}

.chat-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
}

/* Sidebar Nav Links */
.sidebar-link {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
}

.sidebar-link:hover, .sidebar-link.active {
  color: #fff;
  background: rgba(99, 102, 241, 0.2);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}