:root { --bg: #0b0e17; --card: #131826; --card2: #1a2033; --border: #232a40; --text: #e6e9f2; --muted: #8a93ad; --up: #16c784; --down: #ea3943; --accent: #7c5cff; }
* { box-sizing: border-box; margin: 0; padding: 0; }
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; color: var(--text);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif; background: radial-gradient(circle at top left, #1a1440, var(--bg) 55%); padding: 20px; }
.auth-box { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5); display: flex; flex-direction: column; gap: 18px; }
.auth-logo { font-size: 28px; font-weight: 900; text-align: center; } .auth-logo span { color: var(--accent); }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--card2); border-radius: 12px; padding: 4px; }
.auth-tabs button { background: transparent; border: none; color: var(--muted); padding: 10px; border-radius: 9px; font-weight: 700; cursor: pointer; font-size: 14px; }
.auth-tabs button.active { background: var(--accent); color: #fff; }
form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); font-weight: 600; }
label[hidden] { display: none; }
input { background: var(--card2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 12px; font-size: 15px; outline: none; }
input:focus { border-color: var(--accent); }
form > button { background: var(--accent); border: none; color: #fff; padding: 13px; border-radius: 10px; font-weight: 800; font-size: 15px; cursor: pointer; }
form > button:disabled { opacity: .6; cursor: wait; }
.auth-msg { min-height: 18px; font-size: 13px; text-align: center; } .auth-msg.err { color: var(--down); } .auth-msg.ok { color: var(--up); }
.auth-note { font-size: 11px; color: var(--muted); text-align: center; }