:root{--btn-bg:#16161b;--btn-fg:#f4f4f5;--btn-border:#3f3f46;--btn-shadow:#00000059;--btn-ghost-hover:#1f1f24;--btn-primary-bg:linear-gradient(180deg,#ff5a1f 0%,#ff4800 100%);--btn-primary-border:#ff4800;--btn-primary-shadow:0 8px 18px #ff480047,inset 0 1px 0 #ffffff59,inset 0 -1px 0 #00000038;--btn-warn:#f59e0b;--btn-warn-bg:#f59e0b1a;--btn-danger:#ef4444;--btn-danger-bg:#ef44441a}html:not(:has(.admin-root)){--btn-bg:#fff;--btn-fg:#0f172a;--btn-border:#e5e7eb;--btn-shadow:#00000014;--btn-ghost-hover:#f3f4f6;--btn-primary-bg:linear-gradient(180deg,#ff5a1f 0%,#ff4800 100%);--btn-primary-border:#ff4800;--btn-primary-shadow:0 8px 18px #ff480040,inset 0 1px 0 #fff6,inset 0 -1px 0 #0003;--btn-warn:#f59e0b;--btn-warn-bg:#f59e0b1a;--btn-danger:#ef4444;--btn-danger-bg:#ef44441a}html.site-dark:not(:has(.admin-root)){--btn-bg:linear-gradient(180deg,#2a2a31 0%,#1c1c22 100%);--btn-fg:#f4f4f5;--btn-border:#3f3f46;--btn-shadow:#00000059;--btn-ghost-hover:linear-gradient(180deg,#32323a 0%,#24242b 100%);--btn-primary-bg:linear-gradient(180deg,#ff5a1f 0%,#ff4800 100%);--btn-primary-border:#ff4800;--btn-primary-shadow:0 8px 18px #ff480047,inset 0 1px 0 #ffffff59,inset 0 -1px 0 #00000038}.btn{border:1px solid var(--btn-border);background:var(--btn-bg);color:var(--btn-fg);will-change:transform,box-shadow,background-color,border-color;-webkit-user-select:none;user-select:none;border-radius:10px;align-items:center;gap:6px;padding:8px 12px;transition:transform .12s,background-color .2s,border-color .2s,box-shadow .2s,filter .12s;display:inline-flex}.btn:hover{box-shadow:0 6px 14px var(--btn-shadow);transform:translateY(-1px)}.btn:active{filter:brightness(.98);transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-sm{border-radius:8px;padding:6px 10px;font-size:12px}.btn-lg{padding:12px 16px;font-size:15px}.btn-ghost{background:var(--btn-bg);border-color:var(--btn-border)}.btn-ghost:hover{background:var(--btn-ghost-hover)}.btn-primary{border-color:var(--btn-primary-border);background:var(--btn-primary-bg);color:#fff;box-shadow:var(--btn-primary-shadow)}.btn-primary:hover{filter:saturate(1.05)brightness(1.02)}.btn-warn{color:var(--btn-warn);border-color:var(--btn-warn);background:0 0}.btn-warn:hover{background:var(--btn-warn-bg)}.btn-danger{color:var(--btn-danger);border-color:var(--btn-danger);background:0 0}.btn-danger:hover{background:var(--btn-danger-bg)}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px #3b82f659}