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

:root {
  --app-bg: #f7f8fb;
  --app-surface: #ffffff;
  --app-surface-soft: #f9fafb;
  --app-border: #e5e7eb;
  --app-border-strong: #d1d5db;
  --app-text: #111827;
  --app-muted: #6b7280;
  --app-primary: #2563eb;
  --app-primary-dark: #1d4ed8;
  --app-success: #059669;
  --app-warning: #d97706;
  --app-danger: #dc2626;
  --app-shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 12px rgba(16, 24, 40, .05);
  
  --bs-body-bg: var(--app-bg);
  --bs-body-color: var(--app-text);
  --bs-primary: var(--app-primary);
  --bs-primary-rgb: 37, 99, 235;
  --bs-font-sans-serif: 'Inter', sans-serif;
  --bs-border-color: var(--app-border);
  --sidebar-width: 260px;
}

body {
  font-family: var(--bs-font-sans-serif);
  background-color: var(--app-bg) !important;
  color: var(--app-text);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

.layout-wrapper {
    display: flex;
    height: 100vh;
    overflow: hidden;
    width: 100%;
}

/* Utility Classes */
.max-w-1000 {
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* Sidebar Styles */
#sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    box-shadow: 1px 0 0 rgba(16, 24, 40, .04);
    z-index: 1000;
    background: #ffffff !important;
    border-right: 1px solid var(--app-border) !important;
    height: 100vh;
    overflow-y: auto;
}

.nav-link {
  color: #64748b !important;
  border-radius: 10px;
  padding: .75rem 1rem !important;
  font-size: .95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 4px;
  transition: all 0.15s ease;
}

.nav-link i {
    font-size: 1.2rem;
    color: #64748b;
    transition: all 0.15s ease;
}

.nav-link:hover {
  background: #f8fafc !important;
  color: #0f172a !important;
}

.nav-link:hover i {
    color: #0f172a;
}

.nav-link.active {
  background: #f1f5f9 !important;
  color: #0f172a !important;
  font-weight: 700;
}

.nav-link.active i {
  color: #0f172a !important;
}

.nav-category {
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    color: #64748b !important;
    letter-spacing: 0.5px !important;
    margin-top: 1.75rem !important;
    margin-bottom: 0.75rem !important;
    padding-left: 1rem !important;
}

#sidebar span.fw-bold.fs-5 {
    font-weight: 800 !important;
    font-size: 1.25rem !important;
    color: #0f172a !important;
}

#sidebar .bg-primary.bg-opacity-10 {
    background: #eff6ff !important;
    color: #2563eb !important;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px !important;
}

/* Card Styles */
.card, .generator-card, .stat-card {
  background: var(--app-surface) !important;
  border-radius: 12px !important;
  border: 1px solid var(--app-border) !important;
  box-shadow: var(--app-shadow) !important;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.2s ease;
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--app-border);
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  color: var(--app-text);
}

.card-body, .generator-card {
  padding: 1.5rem;
}

.stat-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}
.stat-card h6 {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--app-muted);
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}
.stat-card h2 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    color: var(--app-text);
}

/* Typography Overrides */
h1, h2, h3, h4, h5 {
  font-weight: 800;
  color: var(--app-text);
  letter-spacing: -0.02em;
}

.text-muted {
  color: var(--app-muted) !important;
}

/* Buttons */
.btn {
  border-radius: 8px;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--app-primary);
  border-color: var(--app-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
}

.btn-secondary, .btn-light {
  background: #fff;
  border: 1px solid var(--app-border);
  color: var(--app-text);
}

.btn-secondary:hover, .btn-light:hover {
  background: #f9fafb;
  border-color: var(--app-border-strong);
}

/* Table */
.table {
    margin-bottom: 0;
}
.table thead th {
    background: #f9fafb;
    border-bottom: 1px solid var(--app-border);
    border-top: none;
    color: #4b5563;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 1rem 1.5rem;
    letter-spacing: 0.5px;
}
.table tbody td {
    padding: 1rem 1.5rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--app-border);
    color: var(--app-text);
    font-size: 0.95rem;
}
.table tbody tr:hover {
    background: #f9fafb;
}

/* Form Controls */
.form-control, .form-select {
  background: #fff;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  color: var(--app-text);
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  box-shadow: none !important;
  transition: all 0.2s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12) !important;
}

.form-label {
  color: #374151;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}

/* Generator Specific Styles */
.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
    padding: 16px;
    border: 1px solid var(--app-border);
    border-radius: 10px;
    background: #f9fafb;
}

.target-item {
    background: #fff;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.target-item:hover {
    border-color: var(--app-primary);
    background: #eff6ff;
}

.target-item input {
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: var(--app-primary);
}

.target-item label {
    cursor: pointer;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--app-text);
    flex-grow: 1;
}

.wan-card {
    background: #f9fafb;
    border: 1px solid var(--app-border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}

.method-box {
    border: 1px solid var(--app-border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.15s;
    background: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-box:hover {
    border-color: var(--app-primary);
    background: #eff6ff;
}

.method-box input[type="radio"] {
    accent-color: var(--app-primary);
    width: 16px;
    height: 16px;
}

/* Chat UI Overrides */
.selectors-bar {
    padding: 1rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--app-border);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-select-minimal {
    border: 1px solid var(--app-border);
    background-color: #f9fafb;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.4rem 2rem 0.4rem 1rem;
    box-shadow: none;
    color: var(--app-text);
}
.form-select-minimal:focus {
    border-color: var(--app-primary);
    background-color: #fff;
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    background: #fff;
    border: 1px solid var(--app-border);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s, border-color 0.2s;
    margin: 0 auto;
    max-width: 800px;
}
.chat-input-wrapper:focus-within {
    border-color: var(--app-primary);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.1);
}
.chat-input-wrapper textarea {
    border: none !important;
    background: transparent !important;
    padding: 0.5rem 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
    resize: none;
}
.chat-input-wrapper textarea:focus {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}
.btn-send-pill {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--app-primary);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    margin-bottom: 4px;
}
.btn-send-pill:hover {
    background: var(--app-primary-dark);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 0;
    background: #fdfdfd;
}

.chat-message {
    padding: 1.5rem 0;
    border-bottom: 1px solid transparent;
}
.chat-message.assistant {
    background: #f9fafb;
    border-bottom: 1px solid var(--app-border);
    border-top: 1px solid var(--app-border);
}

.avatar-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    color: #6b7280;
    font-size: 1.25rem;
}
.avatar-icon.assistant {
    background: #10a37f;
    color: #fff;
}

.content-body {
    line-height: 1.6;
    color: #374151;
    font-size: 0.95rem;
}
.chat-message.user .content-body {
    background: var(--app-primary);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 18px;
    border-top-right-radius: 4px;
    max-width: 85%;
    box-shadow: 0 2px 4px rgba(37,99,235,0.1);
}

.chat-input-container {
    padding: 1.5rem 2rem;
    background: #fff;
    border-top: 1px solid var(--app-border);
}


/* Code Blocks */
.code-block {
    background: #111827;
    color: #f3f4f6;
    border-radius: 10px;
    padding: 1.5rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem;
    border: 1px solid #374151;
    overflow-x: auto;
    white-space: pre-wrap;
    position: relative;
}

.btn-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: rgba(255,255,255,0.2);
}

/* Badges */
.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.75rem;
}
.badge.bg-success { background: #ecfdf5 !important; color: #047857 !important; border: 1px solid #a7f3d0; }
.badge.bg-danger { background: #fef2f2 !important; color: #b91c1c !important; border: 1px solid #fecaca; }
.badge.bg-warning { background: #fffbeb !important; color: #b45309 !important; border: 1px solid #fde68a; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Mobile top navbar for some pages */
.navbar-mobile {
    display: none;
    background: #fff;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--app-border);
    align-items: center;
    justify-content: space-between;
}
@media (max-width: 991px) {
    .navbar-mobile { display: flex; }
    #sidebar {
        position: fixed;
        left: -100%;
        transition: left 0.3s;
    }
    #sidebar.show { left: 0; }
}

/* Session History */
.btn-delete-session {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: transparent; border: none; color: #ef4444; opacity: 0; transition: 0.2s;
}
.position-relative:hover .btn-delete-session { opacity: 1; }

.main-content {
    padding: 2rem 1rem;
}
@media (min-width: 768px) {
    .main-content {
        padding: 2.5rem;
    }
}