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.app-content{overflow:hidden;background:var(--color-bg)}.auth-toolbar{position:absolute;top:16px;inset-inline-start:16px;inset-inline-end:16px;z-index:5;display:flex;align-items:center;justify-content:space-between}.auth-toolbar-logo{height:44px;width:auto;display:block}.chat-menu-toggle{display:none;position:absolute;top:12px;inset-inline-start:12px;z-index:5;width:40px;height:40px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);color:var(--color-text);cursor:pointer}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:1px solid var(--color-border);border-radius:10px;background:var(--color-surface-alt);color:var(--color-text);cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .15s ease}.theme-toggle:hover{border-color:var(--color-primary);background:var(--color-surface)}.theme-toggle-icon{width:20px;height:20px;display:block;flex-shrink:0}[data-theme=light] .theme-toggle{background:#e2e8f0;border-color:#cbd5e1;color:#334155}[data-theme=light] .theme-toggle:hover{background:#dbeafe;border-color:var(--color-primary);color:var(--color-primary-dark)}@media (max-width: 768px){.app-sidebar{width:220px}.app-shell.has-sidebar .chat-menu-toggle,.app-shell.has-sidebar .sidebar-close{display:inline-flex;align-items:center;justify-content:center}.app-shell.has-sidebar .app-sidebar{position:fixed;top:0;bottom:0;inset-inline-start:0;z-index:30;width:min(280px,86vw);transform:translate(100%);transition:transform .2s ease}.app-shell.has-sidebar .app-sidebar.is-open{transform:none}.app-shell.has-sidebar .sidebar-backdrop.is-visible{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:25;background:#00000059}}.auth-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:80px 20px 32px}.auth-card{width:100%;max-width:480px;background:#fffffffa;border-radius:24px;padding:32px;box-shadow:0 20px 60px 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input.input-error{border-color:#ef4444}.password-rules{display:flex;flex-direction:column;gap:6px;margin-top:4px}.password-rule{font-size:.82rem;color:#9ca3af;display:flex;align-items:center;gap:8px}.password-rule.valid{color:#059669}.password-rule:not(.checkbox-rule):before{content:"○";font-size:.7rem}.password-rule.valid:not(.checkbox-rule):before{content:"●"}.checkbox-rule{color:#6b7280}.auth-btn{margin-top:8px;padding:14px 20px;border:none;border-radius:14px;font-size:1rem;font-weight:700;cursor:pointer;color:#fff;background:var(--gradient);transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.auth-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 24px #667eea59}.auth-btn:disabled{opacity:.65;cursor:not-allowed}.auth-btn-secondary{background:#f3f4f6;color:#374151;box-shadow:none}.auth-btn-secondary:hover:not(:disabled){box-shadow:none;background:#e5e7eb}.auth-message{padding:12px 14px;border-radius:12px;font-size:.92rem;line-height:1.5}.auth-message.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.auth-message.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.auth-footer{margin-top:24px;text-align:center;color:#6b7280;font-size:.95rem}.auth-divider{display:flex;align-items:center;gap:12px;margin:22px 0 18px;color:#9ca3af;font-size:.85rem;font-weight:700}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#e5e7eb}.google-auth{display:flex;flex-direction:column;gap:12px}.google-auth-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;border:2px solid #e5e7eb;border-radius:14px;background:#fff;color:#1f2937;font-size:.98rem;font-weight:700;cursor:pointer}.google-auth-btn:hover:not(:disabled){background:#f9fafb;border-color:#d1d5db}.google-auth-btn:disabled{opacity:.7;cursor:not-allowed}.google-auth-icon{width:20px;height:20px;flex-shrink:0}.auth-link{background:none;border:none;color:var(--color-primary);font-weight:700;cursor:pointer;padding:0;margin-right:4px;text-decoration:none}.auth-link:hover{text-decoration:underline}.confirmation-box{display:flex;flex-direction:column;gap:16px}.confirmation-actions{display:flex;gap:12px}.confirmation-actions .auth-btn,.confirmation-actions .auth-btn-secondary{flex:1;margin-top:0}@keyframes authFadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){.auth-card{padding:24px 20px;border-radius:20px}.auth-card h1{font-size:1.6rem}.confirmation-actions{flex-direction:column}}.chat-home{min-height:100%;height:100%;display:flex;flex-direction:column;padding:28px 24px 20px}.chat-home.is-new{align-items:center;justify-content:center}.chat-warning{margin:0 0 16px;max-width:560px;color:#b45309;font-size:.92rem;text-align:center}.chat-empty{width:min(720px,100%);display:flex;flex-direction:column;align-items:center;gap:28px}.chat-empty h1{margin:0;font-size:clamp(2rem,4vw,2.6rem);font-weight:700;letter-spacing:-.02em;text-align:center}.chat-composer{width:100%;display:flex;align-items:flex-end;gap:10px;padding:14px 16px;border:1px solid var(--color-border);border-radius:28px;background:var(--color-surface)}.chat-composer-input{flex:1;min-height:28px;max-height:160px;resize:none;border:none;outline:none;background:transparent;color:var(--color-text);font-size:1rem;line-height:1.6}.chat-send{flex-shrink:0;border:none;border-radius:999px;padding:8px 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var(--color-border);border-radius:16px;padding:24px}.profile-card-wide{margin-bottom:20px}.profile-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.profile-card-head h2{margin:0;font-size:1.2rem}.profile-card-note{color:var(--color-muted);font-size:.85rem}.profile-badge{padding:4px 12px;border-radius:999px;font-size:.82rem;font-weight:700}.profile-badge.active{background:#22c55e26;color:#4ade80;border:1px solid rgba(74,222,128,.35)}.profile-form{display:flex;flex-direction:column;gap:16px}.profile-field{display:flex;flex-direction:column;gap:8px}.profile-field label{font-size:.92rem;font-weight:600;color:var(--color-text)}.profile-input{width:100%;padding:12px 14px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface-alt);color:var(--color-text);font-size:1rem;transition:border-color .2s ease,box-shadow .2s ease}.profile-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea2e}.profile-input-readonly{background:var(--color-input-readonly-bg);color:var(--color-muted);cursor:not-allowed}.profile-field-hint{font-size:.8rem;color:var(--color-muted)}.profile-details{margin:0 0 24px;display:flex;flex-direction:column;gap:14px}.profile-detail-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:12px;border-bottom:1px solid var(--color-border)}.profile-detail-row:last-child{border-bottom:none;padding-bottom:0}.profile-detail-row dt{margin:0;color:var(--color-muted);font-size:.92rem}.profile-detail-row dd{margin:0;font-weight:700}.profile-usage{margin-bottom:20px;padding:16px;border-radius:12px;background:var(--color-surface-alt);border:1px solid 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10px;border-radius:999px;font-size:.82rem;font-weight:700}.profile-status.paid{background:#22c55e1f;color:#4ade80}.profile-password-form{gap:20px}.profile-password-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.profile-password-rules{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:10px 16px;color:var(--color-muted);font-size:.85rem}.profile-password-rules li.valid{color:#4ade80}.profile-alert{margin:0;padding:12px 14px;border-radius:12px;font-size:.92rem}.profile-alert.error{background:#ef44441f;color:#fca5a5;border:1px solid rgba(239,68,68,.25)}.profile-alert.success{background:#22c55e1f;color:#86efac;border:1px solid rgba(34,197,94,.25)}@media (max-width: 900px){.profile-grid,.profile-password-grid{grid-template-columns:1fr}}@media (max-width: 640px){.profile-page{padding:20px 16px 32px}.profile-header h1{font-size:1.6rem}.profile-actions{flex-direction:column}.profile-actions .profile-btn{width:100%}}:root,html[data-theme=dark]{--color-primary: #667eea;--color-primary-dark: #5a67d8;--color-accent: #764ba2;--color-bg: #0b0d12;--color-surface: #141821;--color-surface-alt: #1c2230;--color-border: #2a3244;--color-text: #f4f6fb;--color-muted: #9aa3b8;--color-header-bg: #05060a;--color-input-readonly-bg: #111622;--color-content-glow: rgba(102, 126, 234, .18);--color-on-primary: #ffffff;--header-height: 72px;--footer-height: 56px;--sidebar-width: 280px;--font-family: "Tajawal", "Segoe UI", Tahoma, sans-serif;--gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);color-scheme:dark}html[data-theme=light]{--color-bg: #f4f6fb;--color-surface: #ffffff;--color-surface-alt: #eef2f7;--color-border: #d8dee9;--color-text: #111827;--color-muted: #64748b;--color-header-bg: #ffffff;--color-input-readonly-bg: #eef2f7;--color-content-glow: rgba(102, 126, 234, .1);--color-on-primary: #ffffff;color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--color-bg);color:var(--color-text)}button,input,textarea,select{font-family:inherit}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}a{color:inherit}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);color:var(--color-muted)}