:root{--color-soil: #2c1a0e;--color-bark: #4a2c17;--color-clay: #8b5e3c;--color-sand: #c4a882;--color-parchment: #f0e8d8;--color-linen: #faf6f0;--color-ash: #e8e0d4;--color-bg: var(--color-linen);--color-surface: #ffffff;--color-surface-alt: var(--color-parchment);--color-border: var(--color-ash);--color-text: var(--color-soil);--color-text-muted: var(--color-clay);--color-accent: var(--color-bark);--color-accent-light: var(--color-sand);--font-serif: "Cormorant Garamond", "Frank Ruhl Libre", Georgia, serif;--font-sans: "DM Sans", "Heebo", system-ui, sans-serif;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--shadow-sm: 0 1px 3px rgba(44, 26, 14, .08);--shadow-md: 0 4px 12px rgba(44, 26, 14, .12);--shadow-lg: 0 8px 24px rgba(44, 26, 14, .16);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100dvh;overflow-x:hidden}html[dir=rtl] body{font-family:Heebo,DM Sans,system-ui,sans-serif}html[dir=rtl] .chat-input-row{flex-direction:row-reverse}html[dir=rtl] .bubble-user{margin-left:0;margin-right:auto;border-radius:var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-lg)}html[dir=rtl] .bubble-assistant{margin-right:0;margin-left:auto;border-radius:var(--radius-sm) var(--radius-lg) var(--radius-lg) var(--radius-lg)}html[dir=rtl] .tab-bar,html[dir=rtl] .sidebar-inner,html[dir=rtl] .header-inner{flex-direction:row-reverse}h1,h2,h3,.serif{font-family:var(--font-serif);font-weight:400;letter-spacing:.01em}html[dir=rtl] h1,html[dir=rtl] h2,html[dir=rtl] h3,html[dir=rtl] .serif{font-family:Frank Ruhl Libre,Georgia,serif}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes breathe{0%{transform:scale(1);opacity:.4}50%{transform:scale(1.18);opacity:.9}to{transform:scale(1);opacity:.4}}@keyframes pulse{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes slideInRTL{0%{transform:translate(100%)}to{transform:translate(0)}}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius-md);border:none;cursor:pointer;font-family:var(--font-sans);font-size:.95rem;font-weight:500;transition:var(--transition);text-decoration:none}.btn-primary{background:var(--color-accent);color:var(--color-linen)}.btn-primary:hover{background:var(--color-soil)}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border)}.btn-ghost:hover{background:var(--color-surface-alt);color:var(--color-text)}input,textarea{font-family:var(--font-sans);font-size:1rem;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:10px 14px;width:100%;transition:border-color var(--transition);outline:none}input:focus,textarea:focus{border-color:var(--color-accent)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-ash);border-radius:2px}