/* ChefAI Main Stylesheet - DM Sans + Font Awesome 6.5 */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');

:root {
  --chef-50: #fff7ed; --chef-100: #ffedd5; --chef-200: #fed7aa; --chef-300: #fdba74;
  --chef-400: #fb923c; --chef-500: #f97316; --chef-600: #ea580c; --chef-700: #c2410c;
  --chef-800: #9a3412; --chef-900: #7c2d12;
  --surface-50: #fafafa; --surface-100: #f5f5f5; --surface-200: #e5e5e5; --surface-300: #d4d4d4;
  --surface-400: #a3a3a3; --surface-500: #737373; --surface-600: #525252; --surface-700: #404040;
  --surface-800: #262626; --surface-900: #171717;
  --success: #22c55e; --warning: #eab308; --danger: #ef4444; --info: #3b82f6;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.06);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --duration-fast: 150ms; --duration-normal: 250ms;
}
.dark {
  --surface-50: #0a0a0a; --surface-100: #171717; --surface-200: #262626; --surface-300: #404040;
  --surface-400: #525252; --surface-500: #737373; --surface-600: #a3a3a3; --surface-700: #d4d4d4;
  --surface-800: #e5e5e5; --surface-900: #fafafa;
}
/* Base Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }

/* Icon Utilities */
.fa-icon { display: inline-flex; align-items: center; justify-content: center; width: 1em; height: 1em; font-size: inherit; line-height: 1; flex-shrink: 0; }
.icon-sm { font-size: .875rem; }
.icon-md { font-size: 1.125rem; }
.icon-lg { font-size: 1.5rem; }
.icon-xl { font-size: 2rem; }
.fa-solid, .fa-regular, .fa-brands { color: inherit; }
.icon-muted { opacity: .55; }
.icon-hover { transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast); }
.icon-hover:hover { transform: translateY(-1px); opacity: .85; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-300); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--surface-400); }
.dark ::-webkit-scrollbar-thumb { background: var(--surface-400); }
.dark ::-webkit-scrollbar-thumb:hover { background: var(--surface-500); }
* { scrollbar-width: thin; scrollbar-color: var(--surface-300) transparent; }
.dark * { scrollbar-width: thin; scrollbar-color: var(--surface-400) transparent; }
/* Keyframes */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(.92); } to { opacity: 1; transform: scale(1); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse-cursor { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px) scale(.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes toast-out { from { opacity: 1; transform: translateY(0) scale(1); } to { opacity: 0; transform: translateY(8px) scale(.95); } }
@keyframes typing-bounce { 0%,60%,100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }
@keyframes premium-glow { 0%,100% { box-shadow: 0 0 12px rgba(249,115,22,.15); } 50% { box-shadow: 0 0 24px rgba(249,115,22,.3); } }
@keyframes usage-pulse { 0%,100% { opacity: 1; } 50% { opacity: .6; } }

/* Animation Utilities */
.animate-fadeIn { animation: fadeIn .3s ease-out both; }
.animate-fadeInUp { animation: fadeInUp .4s ease-out both; }
.animate-scaleIn { animation: scaleIn .2s ease-out both; }
.animate-slideInLeft { animation: slideInLeft .25s ease-out both; }
/* Streaming Cursor */
.streaming-cursor::after { content: ''; display: inline-block; width: 7px; height: 18px; background: var(--chef-500); border-radius: 1px; margin-left: 2px; vertical-align: text-bottom; animation: pulse-cursor .8s ease-in-out infinite; }

/* Typing Indicator */
.typing-indicator { display: inline-flex; gap: 4px; align-items: center; padding: 8px 0; }
.typing-indicator span { width: 6px; height: 6px; border-radius: 50%; background: var(--surface-400); animation: typing-bounce 1.4s ease-in-out infinite; }
.typing-indicator span:nth-child(2) { animation-delay: .15s; }
.typing-indicator span:nth-child(3) { animation-delay: .3s; }

/* Skeleton Loader */
.skeleton { background: linear-gradient(90deg, var(--surface-100) 25%, var(--surface-200) 50%, var(--surface-100) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-sm); }
.dark .skeleton { background: linear-gradient(90deg, var(--surface-800) 25%, var(--surface-700) 50%, var(--surface-800) 75%); background-size: 200% 100%; }

/* Message Rows */
.message-row { animation: fadeIn .3s ease-out both; }
.message-row:last-child { animation: fadeInUp .35s ease-out both; }

/* Message Content Typography */
.message-content { font-size: 15px; line-height: 1.7; word-break: break-word; }
.message-content p { margin: 0 0 .75em; }
.message-content p:last-child { margin-bottom: 0; }
.message-content ul, .message-content ol { margin: .5em 0 .75em; padding-left: 1.25em; }
.message-content li { margin: .25em 0; }
.message-content h1, .message-content h2, .message-content h3, .message-content h4 { font-weight: 600; margin: 1em 0 .5em; line-height: 1.3; }
.message-content h1 { font-size: 1.4em; }
.message-content h2 { font-size: 1.25em; }
.message-content h3 { font-size: 1.1em; }
.message-content strong { font-weight: 600; }
.message-content a { color: var(--chef-500); text-decoration: underline; text-underline-offset: 2px; }
.message-content a:hover { color: var(--chef-600); }
.message-content pre { background: var(--surface-100); border: 1px solid var(--surface-200); border-radius: var(--radius-md); padding: 1em; overflow-x: auto; font-size: .875em; margin: .75em 0; }
.dark .message-content pre { background: var(--surface-800); border-color: var(--surface-700); }
.message-content code { font-family: 'SF Mono','Cascadia Code','Fira Code',monospace; font-size: .9em; }
.message-content :not(pre) > code { background: var(--surface-100); padding: .15em .4em; border-radius: 4px; font-size: .85em; }
.dark .message-content :not(pre) > code { background: var(--surface-800); }

/* Message Actions */
.message-actions { display: flex; gap: .25rem; opacity: 0; transition: opacity var(--duration-fast); }
.message-row:hover .message-actions { opacity: 1; }
.msg-action-btn { display: inline-flex; align-items: center; justify-content: center; width: 1.75rem; height: 1.75rem; border: none; background: transparent; color: var(--surface-400); border-radius: var(--radius-sm); cursor: pointer; transition: all var(--duration-fast); }
.msg-action-btn:hover { background: var(--surface-100); color: var(--surface-600); }
.dark .msg-action-btn:hover { background: var(--surface-800); color: var(--surface-300); }

/* Code Block Header */
.code-header { display: flex; align-items: center; justify-content: space-between; padding: .5rem .75rem; background: var(--surface-200); border-bottom: 1px solid var(--surface-200); font-size: .75rem; color: var(--surface-500); }
.dark .code-header { background: var(--surface-700); border-color: var(--surface-700); }
.code-copy-btn { display: inline-flex; align-items: center; gap: .25rem; padding: .25rem .5rem; border: none; background: transparent; color: var(--surface-500); font-size: .7rem; cursor: pointer; border-radius: var(--radius-sm); transition: all var(--duration-fast); }
.code-copy-btn:hover { background: var(--surface-300); color: var(--surface-700); }
.dark .code-copy-btn:hover { background: var(--surface-600); color: var(--surface-300); }

/* Chat Input */
.chat-input-container { position: relative; }
.chat-input-container textarea { font-family: 'DM Sans',system-ui,sans-serif; resize: none; transition: border-color var(--duration-fast), box-shadow var(--duration-fast); }
.chat-input-container textarea:focus { outline: none; border-color: var(--chef-400); box-shadow: 0 0 0 3px rgba(249,115,22,.1); }
/* Glass Morphism */
.glass { background: rgba(255,255,255,.7); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.2); }
.dark .glass { background: rgba(23,23,23,.75); border-color: rgba(255,255,255,.06); }

/* Sidebar Links */
.sidebar-link { display: flex; align-items: center; gap: .75rem; padding: .625rem .875rem; border-radius: var(--radius-md); font-size: .9rem; font-weight: 500; color: var(--surface-600); transition: all var(--duration-fast) var(--ease-out); text-decoration: none; }
.sidebar-link:hover { background: var(--surface-100); color: var(--surface-800); }
.dark .sidebar-link:hover { background: var(--surface-800); color: var(--surface-200); }
.sidebar-link.active { background: var(--chef-50); color: var(--chef-600); }
.dark .sidebar-link.active { background: rgba(249,115,22,.1); color: var(--chef-400); }
.sidebar-link i { font-size: 1.05rem; width: 1.25rem; text-align: center; flex-shrink: 0; }

/* Sidebar History Items */
.sidebar-history-item { display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem; border-radius: var(--radius-sm); font-size: .8rem; color: var(--surface-500); transition: background var(--duration-fast); text-overflow: ellipsis; overflow: hidden; white-space: nowrap; border: none; background: transparent; cursor: pointer; text-align: left; width: 100%; }
.sidebar-history-item:hover { background: var(--surface-100); color: var(--surface-700); }
.dark .sidebar-history-item:hover { background: var(--surface-800); color: var(--surface-300); }

/* Top Nav */
.top-nav-link { display: flex; align-items: center; gap: .5rem; padding: .5rem .875rem; border-radius: var(--radius-full); font-size: .85rem; font-weight: 500; color: var(--surface-500); transition: all var(--duration-fast) var(--ease-out); text-decoration: none; white-space: nowrap; }
.top-nav-link:hover { background: var(--surface-100); color: var(--surface-700); }
.dark .top-nav-link:hover { background: var(--surface-800); color: var(--surface-300); }
.top-nav-link.active { background: var(--chef-500); color: white; }
.top-nav-link i { font-size: .9rem; }

/* Page Sub-Nav */
.page-nav { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--surface-200); }
.dark .page-nav { background: rgba(23,23,23,.85); border-bottom-color: var(--surface-300); }
.page-nav-links { display: flex; gap: .25rem; }
.page-nav-link { padding: .375rem .75rem; border-radius: var(--radius-full); font-size: .8rem; font-weight: 500; color: var(--surface-500); text-decoration: none; transition: all var(--duration-fast); }
.page-nav-link:hover { background: var(--surface-100); color: var(--surface-700); }
.dark .page-nav-link:hover { background: var(--surface-800); color: var(--surface-300); }
.page-nav-link.active { background: var(--chef-500); color: white; }

/* Mobile Bottom Nav */
.mobile-nav-link { display: flex; flex-direction: column; align-items: center; gap: .2rem; padding: .35rem 0; font-size: .65rem; font-weight: 500; color: var(--surface-400); text-decoration: none; transition: color var(--duration-fast); flex: 1; }
.mobile-nav-link i { font-size: 1.15rem; }
.mobile-nav-link.active { color: var(--chef-500); }
.mobile-nav-link:hover { color: var(--surface-600); }
.dark .mobile-nav-link:hover { color: var(--surface-300); }
/* Buttons */
.btn-primary { background: var(--chef-500); color: white; font-weight: 600; border: none; border-radius: var(--radius-md); padding: .625rem 1.25rem; font-size: .9rem; cursor: pointer; transition: all var(--duration-fast) var(--ease-out); display: inline-flex; align-items: center; gap: .5rem; font-family: 'DM Sans',system-ui,sans-serif; }
.btn-primary:hover { background: var(--chef-600); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-chef { background: var(--chef-500); color: white; font-weight: 600; border: none; border-radius: var(--radius-md); padding: .5rem 1rem; font-size: .85rem; cursor: pointer; transition: all var(--duration-fast) var(--ease-out); display: inline-flex; align-items: center; gap: .4rem; font-family: 'DM Sans',system-ui,sans-serif; }
.btn-chef:hover { background: var(--chef-600); }

.btn-secondary { background: var(--surface-100); color: var(--surface-700); font-weight: 500; border: 1px solid var(--surface-200); border-radius: var(--radius-md); padding: .5rem 1rem; font-size: .85rem; cursor: pointer; transition: all var(--duration-fast) var(--ease-out); display: inline-flex; align-items: center; gap: .5rem; font-family: 'DM Sans',system-ui,sans-serif; }
.btn-secondary:hover { background: var(--surface-200); border-color: var(--surface-300); }
.dark .btn-secondary { background: var(--surface-800); color: var(--surface-300); border-color: var(--surface-700); }
.dark .btn-secondary:hover { background: var(--surface-700); border-color: var(--surface-600); }

.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: var(--radius-md); border: none; background: transparent; color: var(--surface-500); cursor: pointer; transition: all var(--duration-fast) var(--ease-out); font-size: 1rem; }
.btn-icon:hover { background: var(--surface-100); color: var(--surface-700); }
.dark .btn-icon:hover { background: var(--surface-800); color: var(--surface-300); }

/* Cards & Sections */
.card { background: white; border: 1px solid var(--surface-200); border-radius: var(--radius-lg); padding: 1.25rem; transition: all var(--duration-normal) var(--ease-out); }
.card:hover { border-color: var(--surface-300); box-shadow: var(--shadow-md); }
.dark .card { background: var(--surface-900); border-color: var(--surface-800); }
.dark .card:hover { border-color: var(--surface-700); }

.section-card { padding: 1.25rem; border-radius: var(--radius-lg); background: white; border: 1px solid var(--surface-200); }
.dark .section-card { background: #171717; border-color: #262626; }

.input-field { font-family: 'DM Sans',system-ui,sans-serif; width: 100%; padding: .625rem .875rem; border: 1px solid var(--surface-200); border-radius: var(--radius-md); background: white; color: var(--surface-800); font-size: .875rem; transition: border-color var(--duration-fast), box-shadow var(--duration-fast); outline: none; }
.input-field:focus { border-color: var(--chef-400); box-shadow: 0 0 0 3px rgba(249,115,22,.1); }
.dark .input-field { background: #262626; border-color: #404040; color: #e5e5e5; }
.dark .input-field:focus { border-color: var(--chef-500); box-shadow: 0 0 0 3px rgba(249,115,22,.15); }

.recipe-card-embedded { border: 1px solid var(--surface-200); border-radius: var(--radius-lg); overflow: hidden; background: white; }
.dark .recipe-card-embedded { background: #171717; border-color: #262626; }
/* Badges */
.badge { display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .625rem; border-radius: var(--radius-full); font-size: .75rem; font-weight: 600; line-height: 1; }
.badge-chef { background: var(--chef-50); color: var(--chef-700); }
.dark .badge-chef { background: rgba(249,115,22,.12); color: var(--chef-400); }
.badge-success { background: #f0fdf4; color: #15803d; }
.dark .badge-success { background: rgba(34,197,94,.12); color: #4ade80; }
.badge-warning { background: #fefce8; color: #a16207; }
.dark .badge-warning { background: rgba(234,179,8,.12); color: #facc15; }
.badge-danger { background: #fef2f2; color: #b91c1c; }
.dark .badge-danger { background: rgba(239,68,68,.12); color: #f87171; }
.badge-premium { background: linear-gradient(135deg, #f97316, #ea580c); color: white; font-size: .65rem; font-weight: 700; padding: .2rem .5rem; letter-spacing: .04em; text-transform: uppercase; }
.badge-premium i { font-size: .6rem; }

/* Form Controls */
.input { font-family: 'DM Sans',system-ui,sans-serif; padding: .625rem .875rem; border: 1px solid var(--surface-200); border-radius: var(--radius-md); background: white; color: var(--surface-800); font-size: .9rem; transition: border-color var(--duration-fast), box-shadow var(--duration-fast); width: 100%; }
.input:focus { outline: none; border-color: var(--chef-400); box-shadow: 0 0 0 3px rgba(249,115,22,.1); }
.dark .input { background: var(--surface-800); border-color: var(--surface-700); color: var(--surface-200); }
.dark .input:focus { border-color: var(--chef-500); box-shadow: 0 0 0 3px rgba(249,115,22,.15); }

.select { font-family: 'DM Sans',system-ui,sans-serif; padding: .625rem 2.25rem .625rem .875rem; border: 1px solid var(--surface-200); border-radius: var(--radius-md); background: white; color: var(--surface-800); font-size: .9rem; cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23737373' d='M6 8.825L.35 3.175l.7-.7L6 7.425l4.95-4.95.7.7z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; transition: border-color var(--duration-fast), box-shadow var(--duration-fast); }
.select:focus { outline: none; border-color: var(--chef-400); box-shadow: 0 0 0 3px rgba(249,115,22,.1); }
.dark .select { background-color: var(--surface-800); border-color: var(--surface-700); color: var(--surface-200); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a3a3a3' d='M6 8.825L.35 3.175l.7-.7L6 7.425l4.95-4.95.7.7z'/%3E%3C/svg%3E"); }

.toggle { position: relative; width: 44px; height: 24px; border-radius: var(--radius-full); background: var(--surface-300); cursor: pointer; transition: background var(--duration-fast); border: none; padding: 0; }
.toggle::after { content: ''; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%; background: white; box-shadow: var(--shadow-sm); transition: transform var(--duration-fast) var(--ease-out); }
.toggle.active { background: var(--chef-500); }
.toggle.active::after { transform: translateX(20px); }
/* Toasts */
.toast-item { display: flex; align-items: center; gap: .625rem; padding: .75rem 1.125rem; border-radius: var(--radius-lg); background: white; border: 1px solid var(--surface-200); box-shadow: var(--shadow-xl); font-size: .85rem; font-weight: 500; animation: toast-in .35s var(--ease-out) both; max-width: 380px; pointer-events: auto; cursor: pointer; }
.dark .toast-item { background: #262626; border-color: #404040; color: #e5e5e5; }
.toast-item.toast-exit { animation: toast-out .25s ease-in both; }
.toast-success svg { color: var(--success); }
.toast-error svg { color: var(--danger); }
.toast-warning svg { color: var(--warning); }
.toast-info svg { color: var(--info); }

/* Modals */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); z-index: 50; display: flex; align-items: center; justify-content: center; animation: fadeIn .2s ease-out both; }
.modal-content { background: white; border-radius: var(--radius-xl); padding: 1.5rem; max-width: 90vw; max-height: 85vh; overflow-y: auto; box-shadow: var(--shadow-xl); animation: scaleIn .25s var(--ease-out) both; }
.dark .modal-content { background: var(--surface-900); border: 1px solid var(--surface-800); }

/* Recipes & Nutrition */
.recipe-section-header { display: flex; align-items: center; gap: .5rem; font-size: 1.1rem; font-weight: 600; margin-bottom: .75rem; color: var(--surface-800); }
.dark .recipe-section-header { color: var(--surface-200); }
.recipe-section-header i { color: var(--chef-500); font-size: 1rem; }
.recipe-meta-item { display: flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--surface-500); }
.recipe-meta-item i { font-size: .9rem; color: var(--chef-400); }
.nutrition-card { display: flex; flex-direction: column; align-items: center; gap: .25rem; padding: .75rem; border-radius: var(--radius-md); background: var(--surface-50); border: 1px solid var(--surface-200); }
.dark .nutrition-card { background: var(--surface-800); border-color: var(--surface-700); }
.nutrition-card i { font-size: 1.1rem; color: var(--chef-500); }
.nutrition-card .value { font-size: 1.1rem; font-weight: 700; color: var(--surface-800); }
.dark .nutrition-card .value { color: var(--surface-200); }
.nutrition-card .label { font-size: .7rem; font-weight: 500; color: var(--surface-500); text-transform: uppercase; letter-spacing: .03em; }
/* Pantry */
.pantry-item { display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem; border-radius: var(--radius-md); background: white; border: 1px solid var(--surface-200); transition: all var(--duration-fast) var(--ease-out); }
.pantry-item:hover { border-color: var(--surface-300); box-shadow: var(--shadow-sm); }
.dark .pantry-item { background: var(--surface-900); border-color: var(--surface-800); }
.dark .pantry-item:hover { border-color: var(--surface-700); }
.pantry-category-icon { display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: var(--radius-sm); background: var(--surface-100); color: var(--surface-500); font-size: .9rem; flex-shrink: 0; }
.dark .pantry-category-icon { background: var(--surface-800); color: var(--surface-400); }

/* Planner */
.planner-day { border: 1px solid var(--surface-200); border-radius: var(--radius-lg); overflow: hidden; transition: border-color var(--duration-fast); }
.planner-day:hover { border-color: var(--surface-300); }
.dark .planner-day { border-color: var(--surface-800); }
.dark .planner-day:hover { border-color: var(--surface-700); }
.planner-day-header { padding: .75rem 1rem; font-weight: 600; font-size: .9rem; background: var(--surface-50); border-bottom: 1px solid var(--surface-200); }
.dark .planner-day-header { background: var(--surface-800); border-color: var(--surface-700); }

/* Settings */
.settings-section { padding: 1.5rem; border-radius: var(--radius-lg); background: white; border: 1px solid var(--surface-200); }
.dark .settings-section { background: var(--surface-900); border-color: var(--surface-800); }
.settings-section-header { display: flex; align-items: center; gap: .625rem; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; color: var(--surface-800); }
.dark .settings-section-header { color: var(--surface-200); }
.settings-section-header i { color: var(--chef-500); font-size: 1.05rem; }
/* Empty State */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3rem 1.5rem; text-align: center; }
.empty-state i { font-size: 2.5rem; color: var(--surface-300); margin-bottom: 1rem; }
.dark .empty-state i { color: var(--surface-600); }
.empty-state h3 { font-size: 1.1rem; font-weight: 600; color: var(--surface-700); margin-bottom: .5rem; }
.dark .empty-state h3 { color: var(--surface-300); }
.empty-state p { font-size: .9rem; color: var(--surface-500); max-width: 320px; }

/* Spinner */
.spinner { width: 1.25rem; height: 1.25rem; border: 2px solid var(--surface-200); border-top-color: var(--chef-500); border-radius: 50%; animation: spin .6s linear infinite; }
.spinner-lg { width: 2rem; height: 2rem; border-width: 3px; }

/* Tooltips */
[data-tooltip] { position: relative; }
[data-tooltip]::after { content: attr(data-tooltip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%) translateY(4px); padding: .35rem .625rem; border-radius: var(--radius-sm); background: var(--surface-800); color: white; font-size: .75rem; font-weight: 500; white-space: nowrap; pointer-events: none; opacity: 0; transition: all var(--duration-fast) var(--ease-out); z-index: 100; }
.dark [data-tooltip]::after { background: var(--surface-200); color: var(--surface-900); }
[data-tooltip]:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Suggestion Cards */
.suggestion-card { display: flex; align-items: center; gap: .75rem; padding: .875rem; border-radius: var(--radius-lg); border: 1px solid var(--surface-200); background: white; cursor: pointer; transition: all var(--duration-fast); text-align: left; }
.suggestion-card:hover { border-color: var(--chef-300); background: var(--chef-50); }
.dark .suggestion-card { background: #171717; border-color: #262626; }
.dark .suggestion-card:hover { border-color: var(--chef-700); background: rgba(249,115,22,.06); }

/* Feature Cards */
.feature-card { display: flex; align-items: flex-start; gap: 1rem; padding: 1.25rem; border-radius: var(--radius-lg); background: var(--surface-50); border: 1px solid var(--surface-200); cursor: pointer; transition: all var(--duration-normal) var(--ease-out); }
.feature-card:hover { border-color: var(--chef-200); background: var(--chef-50); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.dark .feature-card { background: var(--surface-800); border-color: var(--surface-700); }
.dark .feature-card:hover { border-color: var(--chef-700); background: rgba(249,115,22,.06); }
.feature-card-icon { display: flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; border-radius: var(--radius-md); background: var(--chef-100); color: var(--chef-600); font-size: 1.1rem; flex-shrink: 0; }
.dark .feature-card-icon { background: rgba(249,115,22,.12); color: var(--chef-400); }

/* Assistant Avatar */
.assistant-avatar { display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: var(--radius-md); background: linear-gradient(135deg, var(--chef-400), var(--chef-600)); color: white; font-size: .9rem; flex-shrink: 0; }

/* Category Chips */
.category-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .4rem .75rem; border-radius: var(--radius-full); border: 1px solid var(--surface-200); background: white; color: var(--surface-600); font-size: .8rem; font-weight: 500; cursor: pointer; transition: all var(--duration-fast); }
.category-chip:hover { border-color: var(--chef-300); color: var(--chef-600); }
.category-chip.active { background: var(--chef-500); border-color: var(--chef-500); color: white; }
.dark .category-chip { background: var(--surface-800); border-color: var(--surface-700); color: var(--surface-400); }
.dark .category-chip:hover { border-color: var(--chef-600); color: var(--chef-400); }
.dark .category-chip.active { background: var(--chef-600); border-color: var(--chef-600); color: white; }

/* Install Wizard */
.wizard-step { display: flex; align-items: center; gap: .5rem; padding: .5rem 0; font-size: .85rem; color: var(--surface-400); }
.wizard-step.active { color: var(--chef-500); font-weight: 600; }
.wizard-step.completed { color: var(--success); }
.wizard-step i { font-size: .9rem; width: 1.25rem; text-align: center; }
/* ---- Premium / Subscription System ---- */

/* Usage Meter (sidebar) */
.usage-meter { padding: .625rem .875rem; border-radius: var(--radius-md); background: var(--surface-100); border: 1px solid var(--surface-200); }
.dark .usage-meter { background: #171717; border-color: #262626; }
.usage-meter-label { display: flex; align-items: center; justify-content: space-between; font-size: .75rem; font-weight: 500; color: var(--surface-500); }
.usage-meter-bar { height: 4px; border-radius: var(--radius-full); background: var(--surface-200); overflow: hidden; margin-top: .375rem; }
.dark .usage-meter-bar { background: #404040; }
.usage-meter-fill { height: 100%; border-radius: var(--radius-full); background: var(--chef-500); transition: width .5s var(--ease-out); }
.usage-meter-fill.warning { background: var(--warning); }
.usage-meter-fill.danger { background: var(--danger); animation: usage-pulse 2s ease-in-out infinite; }

/* Upgrade Modal */
.upgrade-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); z-index: 55; display: flex; align-items: center; justify-content: center; animation: fadeIn .2s ease-out both; }
.upgrade-modal { background: white; border-radius: var(--radius-xl); max-width: 420px; width: calc(100% - 2rem); overflow: hidden; box-shadow: 0 25px 50px rgba(0,0,0,.15); animation: scaleIn .3s var(--ease-out) both; }
.dark .upgrade-modal { background: #171717; border: 1px solid #262626; }
.upgrade-modal-header { background: linear-gradient(135deg, #f97316, #ea580c); padding: 1.5rem; text-align: center; color: white; }
.upgrade-modal-header i { font-size: 2rem; margin-bottom: .5rem; display: block; }
.upgrade-modal-header h3 { font-size: 1.25rem; font-weight: 700; margin: 0; }
.upgrade-modal-header p { font-size: .85rem; opacity: .9; margin: .25rem 0 0; }
.upgrade-modal-body { padding: 1.5rem; }
.upgrade-modal-features { list-style: none; padding: 0; margin: 0 0 1.25rem; }
.upgrade-modal-features li { display: flex; align-items: center; gap: .625rem; padding: .5rem 0; font-size: .875rem; color: var(--surface-600); }
.dark .upgrade-modal-features li { color: #a3a3a3; }
.upgrade-modal-features li i { color: var(--chef-500); font-size: .8rem; width: 1rem; text-align: center; }
.upgrade-modal-actions { display: flex; flex-direction: column; gap: .5rem; }

.btn-upgrade { display: flex; align-items: center; justify-content: center; gap: .5rem; width: 100%; padding: .75rem; border: none; border-radius: var(--radius-md); font-family: 'DM Sans',system-ui,sans-serif; font-weight: 600; font-size: .9rem; cursor: pointer; transition: all var(--duration-fast) var(--ease-out); background: linear-gradient(135deg, #f97316, #ea580c); color: white; }
.btn-upgrade:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(249,115,22,.35); }

.btn-dismiss { display: flex; align-items: center; justify-content: center; width: 100%; padding: .625rem; border: none; border-radius: var(--radius-md); font-family: 'DM Sans',system-ui,sans-serif; font-weight: 500; font-size: .8rem; cursor: pointer; background: transparent; color: var(--surface-500); transition: color var(--duration-fast); }
.btn-dismiss:hover { color: var(--surface-700); }
.dark .btn-dismiss:hover { color: var(--surface-300); }

/* Cooldown Timer */
.upgrade-cooldown { text-align: center; padding: .75rem; border-radius: var(--radius-md); background: var(--surface-50); border: 1px solid var(--surface-200); margin-bottom: 1rem; }
.dark .upgrade-cooldown { background: #262626; border-color: #404040; }
.upgrade-cooldown-timer { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--chef-500); }
.upgrade-cooldown-label { font-size: .75rem; color: var(--surface-500); margin-top: .125rem; }

/* Subscription Card (settings) */
.subscription-card { border: 2px solid var(--chef-200); border-radius: var(--radius-lg); overflow: hidden; background: white; }
.dark .subscription-card { background: #171717; border-color: rgba(249,115,22,.3); }
.subscription-card-header { background: linear-gradient(135deg, var(--chef-50), rgba(249,115,22,.08)); padding: 1rem 1.25rem; border-bottom: 1px solid var(--chef-100); display: flex; align-items: center; justify-content: space-between; }
.dark .subscription-card-header { background: linear-gradient(135deg, rgba(249,115,22,.08), rgba(249,115,22,.03)); border-bottom-color: rgba(249,115,22,.15); }
.subscription-card-body { padding: 1.25rem; }
.subscription-plan-label { font-size: .9rem; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.subscription-plan-label i { color: var(--chef-500); }

.premium-glow { animation: premium-glow 3s ease-in-out infinite; }
/* Responsive */
@media (max-width: 768px) {
  .toast-item { max-width: calc(100vw - 2rem); }
  .modal-content { margin: 1rem; max-width: calc(100vw - 2rem); max-height: 80vh; }
  .upgrade-modal { max-width: calc(100% - 1.5rem); }
}

@media print {
  .no-print { display: none !important; }
  body { font-size: 12pt; color: #000; background: #fff; }
  .card, .settings-section { border: 1px solid #ccc; box-shadow: none; }
}

/* Selection & Focus */
::selection { background: var(--chef-200); color: var(--surface-900); }
.dark ::selection { background: var(--chef-700); color: white; }
:focus-visible { outline: 2px solid var(--chef-400); outline-offset: 2px; }

/* Transition Utilities */
.transition-all { transition: all var(--duration-fast) var(--ease-out); }
.transition-colors { transition: color var(--duration-fast), background-color var(--duration-fast), border-color var(--duration-fast); }