:root{color-scheme:dark;--bg: #0b0b0f;--surface: #15151b;--border: #2a2a34;--divider: #22222b;--text: #f2f2f5;--text-muted: #9a9aa5;--text-placeholder: #8a8a94;--text-faint: #6f6f7a;--accent: #5b6cff;--link: #8a93ff;--error: #ff6b6b;--success: #4cd97b;--danger: #c0392b}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}button{font-family:inherit}a{color:var(--link)}.screen{min-height:100%;display:flex;flex-direction:column}.screen-loading{min-height:100vh}.screen-centered{flex:1;display:flex;flex-direction:column;justify-content:center;max-width:420px;width:100%;margin:0 auto;padding:24px}.title{font-size:28px;font-weight:700;color:var(--text);margin:0 0 8px}.subtitle{font-size:14px;color:var(--text-muted);margin:0 0 32px}.label{display:block;font-size:13px;color:var(--text-muted);margin:16px 0 6px}.input{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:16px;color:var(--text);background:var(--surface)}.input::placeholder{color:var(--text-placeholder)}.input:focus{outline:2px solid var(--accent);outline-offset:-1px}.error-text{color:var(--error);margin-top:16px;font-size:13px}.button{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:14px;font-size:16px;font-weight:600;cursor:pointer;width:100%}.button:disabled{opacity:.6;cursor:default}.button-danger{background:var(--danger)}.link-button{background:none;border:none;color:var(--link);font-size:13px;cursor:pointer;margin-top:20px;text-align:center;width:100%}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--divider)}.app-header-title{font-size:17px;font-weight:700;color:var(--text);margin:0}.header-action{background:none;border:none;color:var(--link);font-size:15px;cursor:pointer;padding:0}.spinner-dark{border-color:#00000026;border-top-color:var(--text)}@keyframes spin{to{transform:rotate(360deg)}}