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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            /* var(--page-bg). The auth flow ran on three different
               backgrounds — var(--card-bg) on login, var(--surface-2) on register, var(--hover-bg) on
               profile-setup — so the page colour changed under you as you
               moved between signing in, signing up and finishing a profile. */
            background-color: var(--page-bg);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-container {
            width: 100%;
            max-width: 400px;
            padding: 2rem;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--card-radius);
            /* No drop shadow: the rest of the site moved to a 1px border
               for card edges, and a shadow here made the same component read
               as a different one. */
        }

        .logo {
            text-align: center;
            margin-bottom: 2rem;
        }

        .logo h1 {
            font-size: 2.5rem;
            font-weight: 300;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .logo p {
            color: var(--text-secondary);
            font-size: 0.875rem;
            margin-top: 0.5rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .form-input {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-strong);
            border-radius: 6px;
            font-size: 1rem;
            background-color: var(--card-bg);
            color: var(--text-primary);
            transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
        }

        .form-input::placeholder {
            color: var(--text-secondary);
        }

        .password-container {
            position: relative;
        }

        .password-toggle {
            position: absolute;
            right: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 0.875rem;
            padding: 0.25rem;
        }

        .password-toggle:hover {
            color: var(--text-primary);
        }

        .forgot-password {
            text-align: center;
            margin-top: -1rem;
            margin-bottom: 1.5rem;
        }

        .forgot-password a {
            color: var(--text-primary);
            text-decoration: underline;
            font-size: 0.875rem;
        }

        .forgot-password a:hover {
            text-decoration: underline;
        }

        .login-button {
            width: 100%;
            padding: 0.75rem;
            background-color: var(--accent);
            color: var(--accent-fg);
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background-color var(--dur-base) var(--ease), transform var(--dur-fast) var(--ease);
            margin-bottom: 1rem;
        }

        .login-button:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
        }

        .login-button:active {
            transform: translateY(0);
        }

        .login-button:disabled {
            background-color: var(--border-strong);
            cursor: not-allowed;
            transform: none;
        }

        .error-message {
            color: var(--danger);
            font-size: 0.875rem;
            margin-top: 0.5rem;
        }

        .success-message {
            color: var(--success);
            font-size: 0.875rem;
            margin-top: 0.5rem;
        }

        .loading {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid var(--card-bg);
            border-top: 2px solid transparent;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 0.5rem;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Google OAuth Button */
        .google-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            padding: 0.75rem;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            cursor: pointer;
            transition: background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
            margin-bottom: 1rem;
        }

        .google-btn:hover {
            background: var(--surface-2);
            border-color: var(--text-secondary);
            transform: translateY(-1px);
        }

        .google-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .google-icon {
            width: 1.125rem;
            height: 1.125rem;
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 1rem 0;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background-color: var(--card-border);
        }

        .divider-text {
            padding: 0 0.75rem;
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        @media (max-width: 480px) {
            .login-container {
                margin: 1rem;
                padding: 1.5rem;
            }

            .logo h1 {
                font-size: 2rem;
            }
        }
    
/* ── Accessibility ───────────────────────────────────────────────────────── */

/* Keyboard skip link. Off-screen until focused, so it costs sighted users
   nothing while giving keyboard users a way past the header on every page. */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 10000;
    padding: 0.75rem 1rem;
    background: var(--accent);
    color: var(--accent-fg);
    text-decoration: none;
    border-radius: 0 0 6px 0;
}

.skip-link:focus {
    left: 0;
}

/* Every interactive control here is custom-styled, and several reset `outline`
   or `border` away. Without an explicit rule, keyboard focus is invisible —
   the page is operable but you cannot see where you are. */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}