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

:root {
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-light: #e0e7ff;
  
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  
  --color-border: #e2e8f0;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --gradient-bg: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
  --chat-bg: #f1f5f9;
  --chat-incoming-bg: #ffffff;
  --chat-time-color: #64748b;
  --chat-time-me-color: rgba(255, 255, 255, 0.8);
}

[data-bs-theme="dark"] {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-light: #64748b;
  
  --color-border: #334155;
  
  --color-primary-light: #312e81;

  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  --chat-bg: #0f172a;
  --chat-incoming-bg: #334155;
  --chat-time-color: #94a3b8;
  --chat-time-me-color: rgba(255, 255, 255, 0.7);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--gradient-bg) !important;
  color: var(--color-text-muted) !important;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6, .text-dark {
  color: var(--color-text-main) !important;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p, span, div { font-size: 0.95rem; }

.card {
  background-color: var(--color-surface) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--color-primary-light) !important;
}

.card-img-top {
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

.btn {
  font-weight: 500;
  border-radius: var(--radius-md) !important;
  padding: 0.625rem 1.25rem;
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: #fff !important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary) !important;
  background: transparent !important;
}

.btn-outline-primary:hover {
  background-color: var(--color-primary-light) !important;
  border-color: var(--color-primary) !important;
}

.form-control, .form-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
  background-color: var(--color-surface);
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
  outline: none;
  background-color: var(--color-surface);
  color: var(--color-text-main);
}

.form-label {
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.navbar {
  background: var(--color-surface) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  color: var(--color-primary) !important;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
}

.nav-link {
  color: var(--color-text-muted) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary) !important;
  background-color: var(--color-primary-light);
}

.badge {
  padding: 0.4em 0.8em;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}
.bg-primary { background-color: var(--color-primary-light) !important; color: var(--color-primary) !important; }
.bg-success { background-color: rgba(16,185,129,0.1) !important; color: var(--color-success) !important; }
.bg-warning { background-color: rgba(245,158,11,0.1) !important; color: var(--color-warning) !important; }

/* Chat Container & Bubbles */
.chat-box {
  height: 400px;
  overflow-y: auto;
  background-color: var(--chat-bg);
  border-radius: 8px;
  padding: 15px;
  border: 1px solid var(--color-border);
}
.msg-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 16px;
  margin-bottom: 12px;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.msg-incoming {
  background-color: var(--chat-incoming-bg);
  color: var(--color-text-main);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid var(--color-border);
}
.msg-outgoing {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg-incoming .chat-time {
  color: var(--chat-time-color);
}
.msg-outgoing .chat-time {
  color: var(--chat-time-me-color);
}

/* Chat Inbox List */
.thread-item {
  transition: background-color 0.2s;
  cursor: pointer;
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-main);
}
.thread-item:hover {
  background-color: var(--color-bg);
}

/* Dark mode custom scrollbar */
[data-bs-theme="dark"] ::-webkit-scrollbar {
  width: 8px;
}
[data-bs-theme="dark"] ::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}
[data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
[data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.bg-light { background-color: var(--color-bg) !important; }
.bg-white { background-color: var(--color-surface) !important; }

/* Dark mode generic overrides */
[data-bs-theme="dark"] .text-muted { color: var(--color-text-muted) !important; }
[data-bs-theme="dark"] .bg-light { background-color: var(--color-bg) !important; }
[data-bs-theme="dark"] .bg-white { background-color: var(--color-surface) !important; }
[data-bs-theme="dark"] .table { color: var(--color-text-muted); }