:root {
  --bg: #0f0f12;
  --surface: #18181c;
  --surface-hover: #1f1f24;
  --border: #2a2a32;
  --text: #e4e4e7;
  --text-muted: #71717a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --error: #ef4444;
  --warn: #f59e0b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

/* ========== Login ========== */
.login-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
}

.login-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-icon svg { width: 24px; height: 24px; color: white; }

.login-card h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.login-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  padding: 0.75rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
  text-align: left;
}
.login-error.visible { display: block; }

.input-wrap {
  position: relative;
  margin-bottom: 1rem;
}
.input-wrap svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}
.input-wrap input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s;
}
.input-wrap input:focus {
  outline: none;
  border-color: var(--accent);
}
.input-wrap input::placeholder { color: var(--text-muted); opacity: 0.7; }

.login-btn {
  width: 100%;
  padding: 0.875rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  margin-top: 0.5rem;
  transition: background 0.2s;
}
.login-btn:hover:not(:disabled) { background: var(--accent-hover); }
.login-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.hidden { display: none !important; }